spell_init()   B
last analyzed

Complexity

Conditions 11
Paths 23

Size

Total Lines 68
Code Lines 27

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 11
eloc 27
c 0
b 0
f 0
nop 0
dl 0
loc 68
rs 7.3166
nc 23

How to fix   Long Method    Complexity   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

1
<?php
2
3
/**
4
 * This file contains those functions pertaining to posting, and other such
5
 * operations, including sending emails, ims, blocking spam, preparsing posts,
6
 * spell checking, and the post box.
7
 *
8
 * Simple Machines Forum (SMF)
9
 *
10
 * @package SMF
11
 * @author Simple Machines https://www.simplemachines.org
12
 * @copyright 2022 Simple Machines and individual contributors
13
 * @license https://www.simplemachines.org/about/smf/license.php BSD
14
 *
15
 * @version 2.1.0
16
 */
17
18
if (!defined('SMF'))
19
	die('No direct access...');
20
21
/**
22
 * Takes a message and parses it, returning nothing.
23
 * Cleans up links (javascript, etc.) and code/quote sections.
24
 * Won't convert \n's and a few other things if previewing is true.
25
 *
26
 * @param string $message The mesasge
27
 * @param bool $previewing Whether we're previewing
28
 */
29
function preparsecode(&$message, $previewing = false)
30
{
31
	global $user_info, $modSettings, $context, $sourcedir, $smcFunc;
32
33
	static $tags_regex, $disallowed_tags_regex;
34
35
	// Convert control characters (except \t, \r, and \n) to harmless Unicode symbols
36
	$control_replacements = array(
37
		"\x00" => '&#x2400;', "\x01" => '&#x2401;', "\x02" => '&#x2402;', "\x03" => '&#x2403;',
38
		"\x04" => '&#x2404;', "\x05" => '&#x2405;', "\x06" => '&#x2406;', "\x07" => '&#x2407;',
39
		"\x08" => '&#x2408;', "\x0b" => '&#x240b;', "\x0c" => '&#x240c;', "\x0e" => '&#x240e;',
40
		"\x0f" => '&#x240f;', "\x10" => '&#x2410;', "\x11" => '&#x2411;', "\x12" => '&#x2412;',
41
		"\x13" => '&#x2413;', "\x14" => '&#x2414;', "\x15" => '&#x2415;', "\x16" => '&#x2416;',
42
		"\x17" => '&#x2417;', "\x18" => '&#x2418;', "\x19" => '&#x2419;', "\x1a" => '&#x241a;',
43
		"\x1b" => '&#x241b;', "\x1c" => '&#x241c;', "\x1d" => '&#x241d;', "\x1e" => '&#x241e;',
44
		"\x1f" => '&#x241f;',
45
	);
46
	$message = strtr($message, $control_replacements);
47
48
	// This line makes all languages *theoretically* work even with the wrong charset ;).
49
	if (empty($context['utf8']))
50
		$message = preg_replace('~&amp;#(\d{4,5}|[2-9]\d{2,4}|1[2-9]\d);~', '&#$1;', $message);
51
52
	// Normalize Unicode characters for storage efficiency, better searching, etc.
53
	else
54
		$message = $smcFunc['normalize']($message);
55
56
	// Clean out any other funky stuff.
57
	$message = sanitize_chars($message, 0);
58
59
	// Clean up after nobbc ;).
60
	$message = preg_replace_callback(
61
		'~\[nobbc\](.+?)\[/nobbc\]~is',
62
		function($a)
63
		{
64
			return '[nobbc]' . strtr($a[1], array('[' => '&#91;', ']' => '&#93;', ':' => '&#58;', '@' => '&#64;')) . '[/nobbc]';
65
		},
66
		$message
67
	);
68
69
	// Remove \r's... they're evil!
70
	$message = strtr($message, array("\r" => ''));
71
72
	// You won't believe this - but too many periods upsets apache it seems!
73
	$message = preg_replace('~\.{100,}~', '...', $message);
74
75
	// Trim off trailing quotes - these often happen by accident.
76
	while (substr($message, -7) == '[quote]')
77
		$message = substr($message, 0, -7);
78
	while (substr($message, 0, 8) == '[/quote]')
79
		$message = substr($message, 8);
80
81
	if (strpos($message, '[cowsay') !== false && !allowedTo('bbc_cowsay'))
82
		$message = preg_replace('~\[(/?)cowsay[^\]]*\]~iu', '[$1pre]', $message);
83
84
	// Find all code blocks, work out whether we'd be parsing them, then ensure they are all closed.
85
	$in_tag = false;
86
	$had_tag = false;
87
	$codeopen = 0;
88
	if (preg_match_all('~(\[(/)*code(?:=[^\]]+)?\])~is', $message, $matches))
89
		foreach ($matches[0] as $index => $dummy)
90
		{
91
			// Closing?
92
			if (!empty($matches[2][$index]))
93
			{
94
				// If it's closing and we're not in a tag we need to open it...
95
				if (!$in_tag)
96
					$codeopen = true;
97
				// Either way we ain't in one any more.
98
				$in_tag = false;
99
			}
100
			// Opening tag...
101
			else
102
			{
103
				$had_tag = true;
104
				// If we're in a tag don't do nought!
105
				if (!$in_tag)
106
					$in_tag = true;
107
			}
108
		}
109
110
	// If we have an open tag, close it.
111
	if ($in_tag)
112
		$message .= '[/code]';
113
	// Open any ones that need to be open, only if we've never had a tag.
114
	if ($codeopen && !$had_tag)
115
		$message = '[code]' . $message;
116
117
	// Replace code BBC with placeholders. We'll restore them at the end.
118
	$parts = preg_split('~(\[/code\]|\[code(?:=[^\]]+)?\])~i', $message, -1, PREG_SPLIT_DELIM_CAPTURE);
119
	for ($i = 0, $n = count($parts); $i < $n; $i++)
120
	{
121
		// It goes 0 = outside, 1 = begin tag, 2 = inside, 3 = close tag, repeat.
122
		if ($i % 4 == 2)
123
		{
124
			$code_tag = $parts[$i - 1] . $parts[$i] . $parts[$i + 1];
125
			$substitute = $parts[$i - 1] . $i . $parts[$i + 1];
126
			$code_tags[$substitute] = $code_tag;
127
			$parts[$i] = $i;
128
		}
129
	}
130
131
	$message = implode('', $parts);
132
133
	// The regular expression non breaking space has many versions.
134
	$non_breaking_space = $context['utf8'] ? '\x{A0}' : '\xA0';
135
136
	// Now that we've fixed all the code tags, let's fix the img and url tags...
137
	fixTags($message);
138
139
	// Replace /me.+?\n with [me=name]dsf[/me]\n.
140
	if (strpos($user_info['name'], '[') !== false || strpos($user_info['name'], ']') !== false || strpos($user_info['name'], '\'') !== false || strpos($user_info['name'], '"') !== false)
141
		$message = preg_replace('~(\A|\n)/me(?: |&nbsp;)([^\n]*)(?:\z)?~i', '$1[me=&quot;' . $user_info['name'] . '&quot;]$2[/me]', $message);
142
	else
143
		$message = preg_replace('~(\A|\n)/me(?: |&nbsp;)([^\n]*)(?:\z)?~i', '$1[me=' . $user_info['name'] . ']$2[/me]', $message);
144
145
	if (!$previewing && strpos($message, '[html]') !== false)
146
	{
147
		if (allowedTo('bbc_html'))
148
			$message = preg_replace_callback(
149
				'~\[html\](.+?)\[/html\]~is',
150
				function($m)
151
				{
152
					return '[html]' . strtr(un_htmlspecialchars($m[1]), array("\n" => '&#13;', '  ' => ' &#32;', '[' => '&#91;', ']' => '&#93;')) . '[/html]';
153
				},
154
				$message
155
			);
156
157
		// We should edit them out, or else if an admin edits the message they will get shown...
158
		else
159
		{
160
			while (strpos($message, '[html]') !== false)
161
				$message = preg_replace('~\[[/]?html\]~i', '', $message);
162
		}
163
	}
164
165
	// Let's look at the time tags...
166
	$message = preg_replace_callback(
167
		'~\[time(?:=(absolute))*\](.+?)\[/time\]~i',
168
		function($m) use ($modSettings, $user_info)
169
		{
170
			return "[time]" . (is_numeric("$m[2]") || @strtotime("$m[2]") == 0 ? "$m[2]" : strtotime("$m[2]") - ("$m[1]" == "absolute" ? 0 : (($modSettings["time_offset"] + $user_info["time_offset"]) * 3600))) . "[/time]";
171
		},
172
		$message
173
	);
174
175
	// Change the color specific tags to [color=the color].
176
	$message = preg_replace('~\[(black|blue|green|red|white)\]~', '[color=$1]', $message); // First do the opening tags.
177
	$message = preg_replace('~\[/(black|blue|green|red|white)\]~', '[/color]', $message); // And now do the closing tags
178
179
	// Neutralize any BBC tags this member isn't permitted to use.
180
	if (empty($disallowed_tags_regex))
181
	{
182
		// Legacy BBC are only retained for historical reasons. They're not for use in new posts.
183
		$disallowed_bbc = $context['legacy_bbc'];
184
185
		// Some BBC require permissions.
186
		foreach ($context['restricted_bbc'] as $bbc)
187
		{
188
			// Skip html, since we handled it separately above.
189
			if ($bbc === 'html')
190
				continue;
191
			if (!allowedTo('bbc_' . $bbc))
192
				$disallowed_bbc[] = $bbc;
193
		}
194
195
		$disallowed_tags_regex = build_regex(array_unique($disallowed_bbc), '~');
196
	}
197
	if (!empty($disallowed_tags_regex))
198
		$message = preg_replace('~\[(?=/?' . $disallowed_tags_regex . '\b)~i', '&#91;', $message);
199
200
	// Make sure all tags are lowercase.
201
	$message = preg_replace_callback(
202
		'~\[(/?)(list|li|table|tr|td)\b([^\]]*)\]~i',
203
		function($m)
204
		{
205
			return "[$m[1]" . strtolower("$m[2]") . "$m[3]]";
206
		},
207
		$message
208
	);
209
210
	$list_open = substr_count($message, '[list]') + substr_count($message, '[list ');
211
	$list_close = substr_count($message, '[/list]');
212
	if ($list_close - $list_open > 0)
213
		$message = str_repeat('[list]', $list_close - $list_open) . $message;
214
	if ($list_open - $list_close > 0)
215
		$message = $message . str_repeat('[/list]', $list_open - $list_close);
216
217
	$mistake_fixes = array(
218
		// Find [table]s not followed by [tr].
219
		'~\[table\](?![\s' . $non_breaking_space . ']*\[tr\])~s' . ($context['utf8'] ? 'u' : '') => '[table][tr]',
220
		// Find [tr]s not followed by [td].
221
		'~\[tr\](?![\s' . $non_breaking_space . ']*\[td\])~s' . ($context['utf8'] ? 'u' : '') => '[tr][td]',
222
		// Find [/td]s not followed by something valid.
223
		'~\[/td\](?![\s' . $non_breaking_space . ']*(?:\[td\]|\[/tr\]|\[/table\]))~s' . ($context['utf8'] ? 'u' : '') => '[/td][/tr]',
224
		// Find [/tr]s not followed by something valid.
225
		'~\[/tr\](?![\s' . $non_breaking_space . ']*(?:\[tr\]|\[/table\]))~s' . ($context['utf8'] ? 'u' : '') => '[/tr][/table]',
226
		// Find [/td]s incorrectly followed by [/table].
227
		'~\[/td\][\s' . $non_breaking_space . ']*\[/table\]~s' . ($context['utf8'] ? 'u' : '') => '[/td][/tr][/table]',
228
		// Find [table]s, [tr]s, and [/td]s (possibly correctly) followed by [td].
229
		'~\[(table|tr|/td)\]([\s' . $non_breaking_space . ']*)\[td\]~s' . ($context['utf8'] ? 'u' : '') => '[$1]$2[_td_]',
230
		// Now, any [td]s left should have a [tr] before them.
231
		'~\[td\]~s' => '[tr][td]',
232
		// Look for [tr]s which are correctly placed.
233
		'~\[(table|/tr)\]([\s' . $non_breaking_space . ']*)\[tr\]~s' . ($context['utf8'] ? 'u' : '') => '[$1]$2[_tr_]',
234
		// Any remaining [tr]s should have a [table] before them.
235
		'~\[tr\]~s' => '[table][tr]',
236
		// Look for [/td]s followed by [/tr].
237
		'~\[/td\]([\s' . $non_breaking_space . ']*)\[/tr\]~s' . ($context['utf8'] ? 'u' : '') => '[/td]$1[_/tr_]',
238
		// Any remaining [/tr]s should have a [/td].
239
		'~\[/tr\]~s' => '[/td][/tr]',
240
		// Look for properly opened [li]s which aren't closed.
241
		'~\[li\]([^\[\]]+?)\[li\]~s' => '[li]$1[_/li_][_li_]',
242
		'~\[li\]([^\[\]]+?)\[/list\]~s' => '[_li_]$1[_/li_][/list]',
243
		'~\[li\]([^\[\]]+?)$~s' => '[li]$1[/li]',
244
		// Lists - find correctly closed items/lists.
245
		'~\[/li\]([\s' . $non_breaking_space . ']*)\[/list\]~s' . ($context['utf8'] ? 'u' : '') => '[_/li_]$1[/list]',
246
		// Find list items closed and then opened.
247
		'~\[/li\]([\s' . $non_breaking_space . ']*)\[li\]~s' . ($context['utf8'] ? 'u' : '') => '[_/li_]$1[_li_]',
248
		// Now, find any [list]s or [/li]s followed by [li].
249
		'~\[(list(?: [^\]]*?)?|/li)\]([\s' . $non_breaking_space . ']*)\[li\]~s' . ($context['utf8'] ? 'u' : '') => '[$1]$2[_li_]',
250
		// Allow for sub lists.
251
		'~\[/li\]([\s' . $non_breaking_space . ']*)\[list\]~' . ($context['utf8'] ? 'u' : '') => '[_/li_]$1[list]',
252
		'~\[/list\]([\s' . $non_breaking_space . ']*)\[li\]~' . ($context['utf8'] ? 'u' : '') => '[/list]$1[_li_]',
253
		// Any remaining [li]s weren't inside a [list].
254
		'~\[li\]~' => '[list][li]',
255
		// Any remaining [/li]s weren't before a [/list].
256
		'~\[/li\]~' => '[/li][/list]',
257
		// Put the correct ones back how we found them.
258
		'~\[_(li|/li|td|tr|/tr)_\]~' => '[$1]',
259
		// Images with no real url.
260
		'~\[img\]https?://.{0,7}\[/img\]~' => '',
261
	);
262
263
	// Fix up some use of tables without [tr]s, etc. (it has to be done more than once to catch it all.)
264
	for ($j = 0; $j < 3; $j++)
265
		$message = preg_replace(array_keys($mistake_fixes), $mistake_fixes, $message);
266
267
	// Remove empty bbc from the sections outside the code tags
268
	if (empty($tags_regex))
269
	{
270
		require_once($sourcedir . '/Subs.php');
271
272
		$allowed_empty = array('anchor', 'td',);
273
274
		$tags = array();
275
		foreach (($codes = parse_bbc(false)) as $code)
0 ignored issues
show
Bug introduced by
The expression $codes = parse_bbc(false) of type string is not traversable.
Loading history...
Unused Code introduced by
The assignment to $codes is dead and can be removed.
Loading history...
276
			if (!in_array($code['tag'], $allowed_empty))
277
				$tags[] = $code['tag'];
278
279
		$tags_regex = build_regex($tags, '~');
280
	}
281
	while (preg_match('~\[(' . $tags_regex . ')\b[^\]]*\]\s*\[/\1\]\s?~i', $message))
282
		$message = preg_replace('~\[(' . $tags_regex . ')[^\]]*\]\s*\[/\1\]\s?~i', '', $message);
283
284
	// Restore code blocks
285
	if (!empty($code_tags))
286
		$message = str_replace(array_keys($code_tags), array_values($code_tags), $message);
287
288
	// Restore white space entities
289
	if (!$previewing)
290
		$message = strtr($message, array('  ' => '&nbsp; ', "\n" => '<br>', $context['utf8'] ? "\xC2\xA0" : "\xA0" => '&nbsp;'));
291
	else
292
		$message = strtr($message, array('  ' => '&nbsp; ', $context['utf8'] ? "\xC2\xA0" : "\xA0" => '&nbsp;'));
293
294
	// Now let's quickly clean up things that will slow our parser (which are common in posted code.)
295
	$message = strtr($message, array('[]' => '&#91;]', '[&#039;' => '&#91;&#039;'));
296
297
	// Any hooks want to work here?
298
	call_integration_hook('integrate_preparsecode', array(&$message, $previewing));
299
}
300
301
/**
302
 * This is very simple, and just removes things done by preparsecode.
303
 *
304
 * @param string $message The message
305
 */
306
function un_preparsecode($message)
307
{
308
	global $smcFunc;
309
310
	// Any hooks want to work here?
311
	call_integration_hook('integrate_unpreparsecode', array(&$message));
312
313
	$parts = preg_split('~(\[/code\]|\[code(?:=[^\]]+)?\])~i', $message, -1, PREG_SPLIT_DELIM_CAPTURE);
314
315
	// We're going to unparse only the stuff outside [code]...
316
	for ($i = 0, $n = count($parts); $i < $n; $i++)
317
	{
318
		// If $i is a multiple of four (0, 4, 8, ...) then it's not a code section...
319
		if ($i % 4 == 2)
320
		{
321
			$code_tag = $parts[$i - 1] . $parts[$i] . $parts[$i + 1];
322
			$substitute = $parts[$i - 1] . $i . $parts[$i + 1];
323
			$code_tags[$substitute] = $code_tag;
324
			$parts[$i] = $i;
325
		}
326
	}
327
328
	$message = implode('', $parts);
329
330
	$message = preg_replace_callback(
331
		'~\[html\](.+?)\[/html\]~i',
332
		function($m) use ($smcFunc)
333
		{
334
			return "[html]" . strtr($smcFunc['htmlspecialchars']("$m[1]", ENT_QUOTES), array("\\&quot;" => "&quot;", "&amp;#13;" => "<br>", "&amp;#32;" => " ", "&amp;#91;" => "[", "&amp;#93;" => "]")) . "[/html]";
335
		},
336
		$message
337
	);
338
339
	if (strpos($message, '[cowsay') !== false && !allowedTo('bbc_cowsay'))
340
		$message = preg_replace('~\[(/?)cowsay[^\]]*\]~iu', '[$1pre]', $message);
341
342
	// Attempt to un-parse the time to something less awful.
343
	$message = preg_replace_callback(
344
		'~\[time\](\d{0,10})\[/time\]~i',
345
		function($m)
346
		{
347
			return "[time]" . timeformat("$m[1]", false) . "[/time]";
0 ignored issues
show
Bug introduced by
$m['1'] of type string is incompatible with the type integer expected by parameter $log_time of timeformat(). ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-type  annotation

347
			return "[time]" . timeformat(/** @scrutinizer ignore-type */ "$m[1]", false) . "[/time]";
Loading history...
348
		},
349
		$message
350
	);
351
352
	if (!empty($code_tags))
353
		$message = strtr($message, $code_tags);
354
355
	// Change breaks back to \n's and &nsbp; back to spaces.
356
	return preg_replace('~<br\s*/?' . '>~', "\n", str_replace('&nbsp;', ' ', $message));
357
}
358
359
/**
360
 * Fix any URLs posted - ie. remove 'javascript:'.
361
 * Used by preparsecode, fixes links in message and returns nothing.
362
 *
363
 * @param string $message The message
364
 */
365
function fixTags(&$message)
366
{
367
	global $modSettings;
368
369
	// WARNING: Editing the below can cause large security holes in your forum.
370
	// Edit only if you are sure you know what you are doing.
371
372
	$fixArray = array(
373
		// [img]http://...[/img] or [img width=1]http://...[/img]
374
		array(
375
			'tag' => 'img',
376
			'protocols' => array('http', 'https'),
377
			'embeddedUrl' => false,
378
			'hasEqualSign' => false,
379
			'hasExtra' => true,
380
		),
381
		// [url]http://...[/url]
382
		array(
383
			'tag' => 'url',
384
			'protocols' => array('http', 'https'),
385
			'embeddedUrl' => false,
386
			'hasEqualSign' => false,
387
		),
388
		// [url=http://...]name[/url]
389
		array(
390
			'tag' => 'url',
391
			'protocols' => array('http', 'https'),
392
			'embeddedUrl' => true,
393
			'hasEqualSign' => true,
394
		),
395
		// [iurl]http://...[/iurl]
396
		array(
397
			'tag' => 'iurl',
398
			'protocols' => array('http', 'https'),
399
			'embeddedUrl' => false,
400
			'hasEqualSign' => false,
401
		),
402
		// [iurl=http://...]name[/iurl]
403
		array(
404
			'tag' => 'iurl',
405
			'protocols' => array('http', 'https'),
406
			'embeddedUrl' => true,
407
			'hasEqualSign' => true,
408
		),
409
		// The rest of these are deprecated.
410
		// [ftp]ftp://...[/ftp]
411
		array(
412
			'tag' => 'ftp',
413
			'protocols' => array('ftp', 'ftps', 'sftp'),
414
			'embeddedUrl' => false,
415
			'hasEqualSign' => false,
416
		),
417
		// [ftp=ftp://...]name[/ftp]
418
		array(
419
			'tag' => 'ftp',
420
			'protocols' => array('ftp', 'ftps', 'sftp'),
421
			'embeddedUrl' => true,
422
			'hasEqualSign' => true,
423
		),
424
		// [flash]http://...[/flash]
425
		array(
426
			'tag' => 'flash',
427
			'protocols' => array('http', 'https'),
428
			'embeddedUrl' => false,
429
			'hasEqualSign' => false,
430
			'hasExtra' => true,
431
		),
432
	);
433
434
	// Fix each type of tag.
435
	foreach ($fixArray as $param)
436
		fixTag($message, $param['tag'], $param['protocols'], $param['embeddedUrl'], $param['hasEqualSign'], !empty($param['hasExtra']));
437
438
	// Now fix possible security problems with images loading links automatically...
439
	$message = preg_replace_callback(
440
		'~(\[img.*?\])(.+?)\[/img\]~is',
441
		function($m)
442
		{
443
			return "$m[1]" . preg_replace("~action(=|%3d)(?!dlattach)~i", "action-", "$m[2]") . "[/img]";
444
		},
445
		$message
446
	);
447
448
}
449
450
/**
451
 * Fix a specific class of tag - ie. url with =.
452
 * Used by fixTags, fixes a specific tag's links.
453
 *
454
 * @param string $message The message
455
 * @param string $myTag The tag
456
 * @param string $protocols The protocols
457
 * @param bool $embeddedUrl Whether it *can* be set to something
458
 * @param bool $hasEqualSign Whether it *is* set to something
459
 * @param bool $hasExtra Whether it can have extra cruft after the begin tag.
460
 */
461
function fixTag(&$message, $myTag, $protocols, $embeddedUrl = false, $hasEqualSign = false, $hasExtra = false)
462
{
463
	global $boardurl, $scripturl;
464
465
	$forbidden_protocols = array(
466
		// Poses security risks.
467
		'javascript',
468
		// Allows file data to be embedded, bypassing our attachment system.
469
		'data',
470
	);
471
472
	if (preg_match('~^([^:]+://[^/]+)~', $boardurl, $match) != 0)
473
		$domain_url = $match[1];
474
	else
475
		$domain_url = $boardurl . '/';
476
477
	$replaces = array();
478
479
	if ($hasEqualSign && $embeddedUrl)
480
	{
481
		$quoted = preg_match('~\[(' . $myTag . ')=&quot;~', $message);
482
		preg_match_all('~\[(' . $myTag . ')=' . ($quoted ? '&quot;(.*?)&quot;' : '([^\]]*?)') . '\](?:(.+?)\[/(' . $myTag . ')\])?~is', $message, $matches);
483
	}
484
	elseif ($hasEqualSign)
485
		preg_match_all('~\[(' . $myTag . ')=([^\]]*?)\](?:(.+?)\[/(' . $myTag . ')\])?~is', $message, $matches);
486
	else
487
		preg_match_all('~\[(' . $myTag . ($hasExtra ? '(?:[^\]]*?)' : '') . ')\](.+?)\[/(' . $myTag . ')\]~is', $message, $matches);
488
489
	foreach ($matches[0] as $k => $dummy)
490
	{
491
		// Remove all leading and trailing whitespace.
492
		$replace = trim($matches[2][$k]);
493
		$this_tag = $matches[1][$k];
494
		$this_close = $hasEqualSign ? (empty($matches[4][$k]) ? '' : $matches[4][$k]) : $matches[3][$k];
495
496
		$found = false;
497
		foreach ($protocols as $protocol)
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498
		{
499
			$found = strncasecmp($replace, $protocol . '://', strlen($protocol) + 3) === 0;
500
			if ($found)
501
				break;
502
		}
503
504
		$current_protocol = strtolower(parse_iri($replace, PHP_URL_SCHEME) ?? "");
505
506
		if (in_array($current_protocol, $forbidden_protocols))
507
		{
508
			$replace = 'about:invalid';
509
		}
510
		elseif (!$found && $protocols[0] == 'http')
511
		{
512
			// A path
513
			if (substr($replace, 0, 1) == '/' && substr($replace, 0, 2) != '//')
514
				$replace = $domain_url . $replace;
515
			// A query
516
			elseif (substr($replace, 0, 1) == '?')
517
				$replace = $scripturl . $replace;
518
			// A fragment
519
			elseif (substr($replace, 0, 1) == '#' && $embeddedUrl)
520
			{
521
				$replace = '#' . preg_replace('~[^A-Za-z0-9_\-#]~', '', substr($replace, 1));
522
				$this_tag = 'iurl';
523
				$this_close = 'iurl';
524
			}
525
			elseif (substr($replace, 0, 2) != '//' && empty($current_protocol))
526
				$replace = $protocols[0] . '://' . $replace;
527
		}
528
		elseif (!$found && $protocols[0] == 'ftp')
529
			$replace = $protocols[0] . '://' . preg_replace('~^(?!ftps?)[^:]+://~', '', $replace);
530
		elseif (!$found && empty($current_protocol))
531
			$replace = $protocols[0] . '://' . $replace;
532
533
		if ($hasEqualSign && $embeddedUrl)
534
			$replaces[$matches[0][$k]] = '[' . $this_tag . '=&quot;' . $replace . '&quot;]' . (empty($matches[4][$k]) ? '' : $matches[3][$k] . '[/' . $this_close . ']');
535
		elseif ($hasEqualSign)
536
			$replaces['[' . $matches[1][$k] . '=' . $matches[2][$k] . ']'] = '[' . $this_tag . '=' . $replace . ']';
537
		elseif ($embeddedUrl)
538
			$replaces['[' . $matches[1][$k] . ']' . $matches[2][$k] . '[/' . $matches[3][$k] . ']'] = '[' . $this_tag . '=' . $replace . ']' . $matches[2][$k] . '[/' . $this_close . ']';
539
		else
540
			$replaces['[' . $matches[1][$k] . ']' . $matches[2][$k] . '[/' . $matches[3][$k] . ']'] = '[' . $this_tag . ']' . $replace . '[/' . $this_close . ']';
541
	}
542
543
	foreach ($replaces as $k => $v)
544
	{
545
		if ($k == $v)
546
			unset($replaces[$k]);
547
	}
548
549
	if (!empty($replaces))
550
		$message = strtr($message, $replaces);
551
}
552
553
/**
554
 * This function sends an email to the specified recipient(s).
555
 * It uses the mail_type settings and webmaster_email variable.
556
 *
557
 * @param array $to The email(s) to send to
558
 * @param string $subject Email subject, expected to have entities, and slashes, but not be parsed
559
 * @param string $message Email body, expected to have slashes, no htmlentities
560
 * @param string $from The address to use for replies
561
 * @param string $message_id If specified, it will be used as local part of the Message-ID header.
562
 * @param bool $send_html Whether or not the message is HTML vs. plain text
563
 * @param int $priority The priority of the message
564
 * @param bool $hotmail_fix Whether to apply the "hotmail fix"
565
 * @param bool $is_private Whether this is private
566
 * @return boolean Whether ot not the email was sent properly.
567
 */
568
function sendmail($to, $subject, $message, $from = null, $message_id = null, $send_html = false, $priority = 3, $hotmail_fix = null, $is_private = false)
569
{
570
	global $webmaster_email, $context, $modSettings, $txt, $scripturl;
571
572
	// Use sendmail if it's set or if no SMTP server is set.
573
	$use_sendmail = empty($modSettings['mail_type']) || $modSettings['smtp_host'] == '';
574
575
	// Line breaks need to be \r\n only in windows or for SMTP.
576
	$line_break = $context['server']['is_windows'] || !$use_sendmail ? "\r\n" : "\n";
577
578
	// So far so good.
579
	$mail_result = true;
580
581
	// If the recipient list isn't an array, make it one.
582
	$to_array = is_array($to) ? $to : array($to);
0 ignored issues
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introduced by
The condition is_array($to) is always true.
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583
584
	// Make sure we actually have email addresses to send this to
585
	foreach ($to_array as $k => $v)
586
	{
587
		// This should never happen, but better safe than sorry
588
		if (trim($v) == '')
589
		{
590
			unset($to_array[$k]);
591
		}
592
	}
593
594
	// Nothing left? Nothing else to do
595
	if (empty($to_array))
596
		return true;
597
598
	// Once upon a time, Hotmail could not interpret non-ASCII mails.
599
	// In honour of those days, it's still called the 'hotmail fix'.
600
	if ($hotmail_fix === null)
601
	{
602
		$hotmail_to = array();
603
		foreach ($to_array as $i => $to_address)
604
		{
605
			if (preg_match('~@(att|comcast|bellsouth)\.[a-zA-Z\.]{2,6}$~i', $to_address) === 1)
606
			{
607
				$hotmail_to[] = $to_address;
608
				$to_array = array_diff($to_array, array($to_address));
609
			}
610
		}
611
612
		// Call this function recursively for the hotmail addresses.
613
		if (!empty($hotmail_to))
614
			$mail_result = sendmail($hotmail_to, $subject, $message, $from, $message_id, $send_html, $priority, true, $is_private);
615
616
		// The remaining addresses no longer need the fix.
617
		$hotmail_fix = false;
618
619
		// No other addresses left? Return instantly.
620
		if (empty($to_array))
621
			return $mail_result;
622
	}
623
624
	// Get rid of entities.
625
	$subject = un_htmlspecialchars($subject);
626
	// Make the message use the proper line breaks.
627
	$message = str_replace(array("\r", "\n"), array('', $line_break), $message);
628
629
	// Make sure hotmail mails are sent as HTML so that HTML entities work.
630
	if ($hotmail_fix && !$send_html)
631
	{
632
		$send_html = true;
633
		$message = strtr($message, array($line_break => '<br>' . $line_break));
634
		$message = preg_replace('~(' . preg_quote($scripturl, '~') . '(?:[?/][\w\-_%\.,\?&;=#]+)?)~', '<a href="$1">$1</a>', $message);
635
	}
636
637
	list (, $from_name) = mimespecialchars(addcslashes($from !== null ? $from : $context['forum_name'], '<>()\'\\"'), true, $hotmail_fix, $line_break);
638
	list (, $subject) = mimespecialchars($subject, true, $hotmail_fix, $line_break);
639
640
	// Construct the mail headers...
641
	$headers = 'From: "' . $from_name . '" <' . (empty($modSettings['mail_from']) ? $webmaster_email : $modSettings['mail_from']) . '>' . $line_break;
642
	$headers .= $from !== null ? 'Reply-To: <' . $from . '>' . $line_break : '';
643
	$headers .= 'Return-Path: ' . (empty($modSettings['mail_from']) ? $webmaster_email : $modSettings['mail_from']) . $line_break;
644
	$headers .= 'Date: ' . gmdate('D, d M Y H:i:s') . ' -0000' . $line_break;
645
646
	if ($message_id !== null && empty($modSettings['mail_no_message_id']))
647
		$headers .= 'Message-ID: <' . md5($scripturl . microtime()) . '-' . $message_id . strstr(empty($modSettings['mail_from']) ? $webmaster_email : $modSettings['mail_from'], '@') . '>' . $line_break;
648
	$headers .= 'X-Mailer: SMF' . $line_break;
649
650
	// Pass this to the integration before we start modifying the output -- it'll make it easier later.
651
	if (in_array(false, call_integration_hook('integrate_outgoing_email', array(&$subject, &$message, &$headers, &$to_array)), true))
652
		return false;
653
654
	// Save the original message...
655
	$orig_message = $message;
656
657
	// The mime boundary separates the different alternative versions.
658
	$mime_boundary = 'SMF-' . md5($message . time());
659
660
	// Using mime, as it allows to send a plain unencoded alternative.
661
	$headers .= 'Mime-Version: 1.0' . $line_break;
662
	$headers .= 'content-type: multipart/alternative; boundary="' . $mime_boundary . '"' . $line_break;
663
	$headers .= 'content-transfer-encoding: 7bit' . $line_break;
664
665
	// Sending HTML?  Let's plop in some basic stuff, then.
666
	if ($send_html)
667
	{
668
		$no_html_message = un_htmlspecialchars(strip_tags(strtr($orig_message, array('</title>' => $line_break))));
669
670
		// But, then, dump it and use a plain one for dinosaur clients.
671
		list(, $plain_message) = mimespecialchars($no_html_message, false, true, $line_break);
672
		$message = $plain_message . $line_break . '--' . $mime_boundary . $line_break;
673
674
		// This is the plain text version.  Even if no one sees it, we need it for spam checkers.
675
		list($charset, $plain_charset_message, $encoding) = mimespecialchars($no_html_message, false, false, $line_break);
676
		$message .= 'content-type: text/plain; charset=' . $charset . $line_break;
677
		$message .= 'content-transfer-encoding: ' . $encoding . $line_break . $line_break;
678
		$message .= $plain_charset_message . $line_break . '--' . $mime_boundary . $line_break;
679
680
		// This is the actual HTML message, prim and proper.  If we wanted images, they could be inlined here (with multipart/related, etc.)
681
		list($charset, $html_message, $encoding) = mimespecialchars($orig_message, false, $hotmail_fix, $line_break);
682
		$message .= 'content-type: text/html; charset=' . $charset . $line_break;
683
		$message .= 'content-transfer-encoding: ' . ($encoding == '' ? '7bit' : $encoding) . $line_break . $line_break;
684
		$message .= $html_message . $line_break . '--' . $mime_boundary . '--';
685
	}
686
	// Text is good too.
687
	else
688
	{
689
		// Send a plain message first, for the older web clients.
690
		list(, $plain_message) = mimespecialchars($orig_message, false, true, $line_break);
691
		$message = $plain_message . $line_break . '--' . $mime_boundary . $line_break;
692
693
		// Now add an encoded message using the forum's character set.
694
		list ($charset, $encoded_message, $encoding) = mimespecialchars($orig_message, false, false, $line_break);
695
		$message .= 'content-type: text/plain; charset=' . $charset . $line_break;
696
		$message .= 'content-transfer-encoding: ' . $encoding . $line_break . $line_break;
697
		$message .= $encoded_message . $line_break . '--' . $mime_boundary . '--';
698
	}
699
700
	// Are we using the mail queue, if so this is where we butt in...
701
	if ($priority != 0)
702
		return AddMailQueue(false, $to_array, $subject, $message, $headers, $send_html, $priority, $is_private);
703
704
	// If it's a priority mail, send it now - note though that this should NOT be used for sending many at once.
705
	elseif (!empty($modSettings['mail_limit']))
706
	{
707
		list ($last_mail_time, $mails_this_minute) = @explode('|', $modSettings['mail_recent']);
708
		if (empty($mails_this_minute) || time() > $last_mail_time + 60)
709
			$new_queue_stat = time() . '|' . 1;
710
		else
711
			$new_queue_stat = $last_mail_time . '|' . ((int) $mails_this_minute + 1);
712
713
		updateSettings(array('mail_recent' => $new_queue_stat));
714
	}
715
716
	// SMTP or sendmail?
717
	if ($use_sendmail)
718
	{
719
		$subject = strtr($subject, array("\r" => '', "\n" => ''));
720
		if (!empty($modSettings['mail_strip_carriage']))
721
		{
722
			$message = strtr($message, array("\r" => ''));
723
			$headers = strtr($headers, array("\r" => ''));
724
		}
725
726
		foreach ($to_array as $to)
0 ignored issues
show
introduced by
$to is overwriting one of the parameters of this function.
Loading history...
727
		{
728
			set_error_handler(
729
				function($errno, $errstr, $errfile, $errline)
730
				{
731
					// error was suppressed with the @-operator
732
					if (0 === error_reporting())
733
						return false;
734
735
					throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
736
				}
737
			);
738
			try
739
			{
740
				if (!mail(strtr($to, array("\r" => '', "\n" => '')), $subject, $message, $headers))
741
				{
742
					log_error(sprintf($txt['mail_send_unable'], $to));
743
					$mail_result = false;
744
				}
745
			}
746
			catch (ErrorException $e)
747
			{
748
				log_error($e->getMessage(), 'general', $e->getFile(), $e->getLine());
749
				log_error(sprintf($txt['mail_send_unable'], $to));
750
				$mail_result = false;
751
			}
752
			restore_error_handler();
753
754
			// Wait, wait, I'm still sending here!
755
			@set_time_limit(300);
756
			if (function_exists('apache_reset_timeout'))
757
				@apache_reset_timeout();
758
		}
759
	}
760
	else
761
		$mail_result = $mail_result && smtp_mail($to_array, $subject, $message, $headers);
762
763
	// Everything go smoothly?
764
	return $mail_result;
765
}
766
767
/**
768
 * Add an email to the mail queue.
769
 *
770
 * @param bool $flush Whether to flush the queue
771
 * @param array $to_array An array of recipients
772
 * @param string $subject The subject of the message
773
 * @param string $message The message
774
 * @param string $headers The headers
775
 * @param bool $send_html Whether to send in HTML format
776
 * @param int $priority The priority
777
 * @param bool $is_private Whether this is private
778
 * @return boolean Whether the message was added
779
 */
780
function AddMailQueue($flush = false, $to_array = array(), $subject = '', $message = '', $headers = '', $send_html = false, $priority = 3, $is_private = false)
781
{
782
	global $context, $smcFunc;
783
784
	static $cur_insert = array();
785
	static $cur_insert_len = 0;
786
787
	if ($cur_insert_len == 0)
788
		$cur_insert = array();
789
790
	// If we're flushing, make the final inserts - also if we're near the MySQL length limit!
791
	if (($flush || $cur_insert_len > 800000) && !empty($cur_insert))
792
	{
793
		// Only do these once.
794
		$cur_insert_len = 0;
795
796
		// Dump the data...
797
		$smcFunc['db_insert']('',
798
			'{db_prefix}mail_queue',
799
			array(
800
				'time_sent' => 'int', 'recipient' => 'string-255', 'body' => 'string', 'subject' => 'string-255',
801
				'headers' => 'string-65534', 'send_html' => 'int', 'priority' => 'int', 'private' => 'int',
802
			),
803
			$cur_insert,
804
			array('id_mail')
805
		);
806
807
		$cur_insert = array();
808
		$context['flush_mail'] = false;
809
	}
810
811
	// If we're flushing we're done.
812
	if ($flush)
813
	{
814
		$nextSendTime = time() + 10;
815
816
		$smcFunc['db_query']('', '
817
			UPDATE {db_prefix}settings
818
			SET value = {string:nextSendTime}
819
			WHERE variable = {literal:mail_next_send}
820
				AND value = {string:no_outstanding}',
821
			array(
822
				'nextSendTime' => $nextSendTime,
823
				'no_outstanding' => '0',
824
			)
825
		);
826
827
		return true;
828
	}
829
830
	// Ensure we tell obExit to flush.
831
	$context['flush_mail'] = true;
832
833
	foreach ($to_array as $to)
834
	{
835
		// Will this insert go over MySQL's limit?
836
		$this_insert_len = strlen($to) + strlen($message) + strlen($headers) + 700;
837
838
		// Insert limit of 1M (just under the safety) is reached?
839
		if ($this_insert_len + $cur_insert_len > 1000000)
840
		{
841
			// Flush out what we have so far.
842
			$smcFunc['db_insert']('',
843
				'{db_prefix}mail_queue',
844
				array(
845
					'time_sent' => 'int', 'recipient' => 'string-255', 'body' => 'string', 'subject' => 'string-255',
846
					'headers' => 'string-65534', 'send_html' => 'int', 'priority' => 'int', 'private' => 'int',
847
				),
848
				$cur_insert,
849
				array('id_mail')
850
			);
851
852
			// Clear this out.
853
			$cur_insert = array();
854
			$cur_insert_len = 0;
855
		}
856
857
		// Now add the current insert to the array...
858
		$cur_insert[] = array(time(), (string) $to, (string) $message, (string) $subject, (string) $headers, ($send_html ? 1 : 0), $priority, (int) $is_private);
859
		$cur_insert_len += $this_insert_len;
860
	}
861
862
	// If they are using SSI there is a good chance obExit will never be called.  So lets be nice and flush it for them.
863
	if (SMF === 'SSI' || SMF === 'BACKGROUND')
0 ignored issues
show
introduced by
The condition SMF === 'SSI' is always true.
Loading history...
864
		return AddMailQueue(true);
865
866
	return true;
867
}
868
869
/**
870
 * Sends an personal message from the specified person to the specified people
871
 * ($from defaults to the user)
872
 *
873
 * @param array $recipients An array containing the arrays 'to' and 'bcc', both containing id_member's.
874
 * @param string $subject Should have no slashes and no html entities
875
 * @param string $message Should have no slashes and no html entities
876
 * @param bool $store_outbox Whether to store it in the sender's outbox
877
 * @param array $from An array with the id, name, and username of the member.
878
 * @param int $pm_head The ID of the chain being replied to - if any.
879
 * @return array An array with log entries telling how many recipients were successful and which recipients it failed to send to.
880
 */
881
function sendpm($recipients, $subject, $message, $store_outbox = false, $from = null, $pm_head = 0)
882
{
883
	global $scripturl, $txt, $user_info, $language, $sourcedir;
884
	global $modSettings, $smcFunc;
885
886
	// Make sure the PM language file is loaded, we might need something out of it.
887
	loadLanguage('PersonalMessage');
888
889
	// Initialize log array.
890
	$log = array(
891
		'failed' => array(),
892
		'sent' => array()
893
	);
894
895
	if ($from === null)
896
		$from = array(
897
			'id' => $user_info['id'],
898
			'name' => $user_info['name'],
899
			'username' => $user_info['username']
900
		);
901
902
	// This is the one that will go in their inbox.
903
	$htmlmessage = $smcFunc['htmlspecialchars']($message, ENT_QUOTES);
904
	preparsecode($htmlmessage);
905
	$htmlsubject = strtr($smcFunc['htmlspecialchars']($subject), array("\r" => '', "\n" => '', "\t" => ''));
906
	if ($smcFunc['strlen']($htmlsubject) > 100)
907
		$htmlsubject = $smcFunc['substr']($htmlsubject, 0, 100);
908
909
	// Make sure is an array
910
	if (!is_array($recipients))
0 ignored issues
show
introduced by
The condition is_array($recipients) is always true.
Loading history...
911
		$recipients = array($recipients);
912
913
	// Integrated PMs
914
	call_integration_hook('integrate_personal_message', array(&$recipients, &$from, &$subject, &$message));
915
916
	// Get a list of usernames and convert them to IDs.
917
	$usernames = array();
918
	foreach ($recipients as $rec_type => $rec)
919
	{
920
		foreach ($rec as $id => $member)
921
		{
922
			if (!is_numeric($recipients[$rec_type][$id]))
923
			{
924
				$recipients[$rec_type][$id] = $smcFunc['strtolower'](trim(preg_replace('~[<>&"\'=\\\]~', '', $recipients[$rec_type][$id])));
925
				$usernames[$recipients[$rec_type][$id]] = 0;
926
			}
927
		}
928
	}
929
	if (!empty($usernames))
930
	{
931
		$request = $smcFunc['db_query']('pm_find_username', '
932
			SELECT id_member, member_name
933
			FROM {db_prefix}members
934
			WHERE ' . ($smcFunc['db_case_sensitive'] ? 'LOWER(member_name)' : 'member_name') . ' IN ({array_string:usernames})',
935
			array(
936
				'usernames' => array_keys($usernames),
937
			)
938
		);
939
		while ($row = $smcFunc['db_fetch_assoc']($request))
940
			if (isset($usernames[$smcFunc['strtolower']($row['member_name'])]))
941
				$usernames[$smcFunc['strtolower']($row['member_name'])] = $row['id_member'];
942
		$smcFunc['db_free_result']($request);
943
944
		// Replace the usernames with IDs. Drop usernames that couldn't be found.
945
		foreach ($recipients as $rec_type => $rec)
946
			foreach ($rec as $id => $member)
947
			{
948
				if (is_numeric($recipients[$rec_type][$id]))
949
					continue;
950
951
				if (!empty($usernames[$member]))
952
					$recipients[$rec_type][$id] = $usernames[$member];
953
				else
954
				{
955
					$log['failed'][$id] = sprintf($txt['pm_error_user_not_found'], $recipients[$rec_type][$id]);
956
					unset($recipients[$rec_type][$id]);
957
				}
958
			}
959
	}
960
961
	// Make sure there are no duplicate 'to' members.
962
	$recipients['to'] = array_unique($recipients['to']);
963
964
	// Only 'bcc' members that aren't already in 'to'.
965
	$recipients['bcc'] = array_diff(array_unique($recipients['bcc']), $recipients['to']);
966
967
	// Combine 'to' and 'bcc' recipients.
968
	$all_to = array_merge($recipients['to'], $recipients['bcc']);
969
970
	// Check no-one will want it deleted right away!
971
	$request = $smcFunc['db_query']('', '
972
		SELECT
973
			id_member, criteria, is_or
974
		FROM {db_prefix}pm_rules
975
		WHERE id_member IN ({array_int:to_members})
976
			AND delete_pm = {int:delete_pm}',
977
		array(
978
			'to_members' => $all_to,
979
			'delete_pm' => 1,
980
		)
981
	);
982
	$deletes = array();
983
	// Check whether we have to apply anything...
984
	while ($row = $smcFunc['db_fetch_assoc']($request))
985
	{
986
		$criteria = $smcFunc['json_decode']($row['criteria'], true);
987
		// Note we don't check the buddy status, cause deletion from buddy = madness!
988
		$delete = false;
989
		foreach ($criteria as $criterium)
990
		{
991
			if (($criterium['t'] == 'mid' && $criterium['v'] == $from['id']) || ($criterium['t'] == 'gid' && in_array($criterium['v'], $user_info['groups'])) || ($criterium['t'] == 'sub' && strpos($subject, $criterium['v']) !== false) || ($criterium['t'] == 'msg' && strpos($message, $criterium['v']) !== false))
992
				$delete = true;
993
			// If we're adding and one criteria don't match then we stop!
994
			elseif (!$row['is_or'])
995
			{
996
				$delete = false;
997
				break;
998
			}
999
		}
1000
		if ($delete)
1001
			$deletes[$row['id_member']] = 1;
1002
	}
1003
	$smcFunc['db_free_result']($request);
1004
1005
	// Load the membergrounp message limits.
1006
	// @todo Consider caching this?
1007
	static $message_limit_cache = array();
1008
	if (!allowedTo('moderate_forum') && empty($message_limit_cache))
1009
	{
1010
		$request = $smcFunc['db_query']('', '
1011
			SELECT id_group, max_messages
1012
			FROM {db_prefix}membergroups',
1013
			array(
1014
			)
1015
		);
1016
		while ($row = $smcFunc['db_fetch_assoc']($request))
1017
			$message_limit_cache[$row['id_group']] = $row['max_messages'];
1018
		$smcFunc['db_free_result']($request);
1019
	}
1020
1021
	// Load the groups that are allowed to read PMs.
1022
	require_once($sourcedir . '/Subs-Members.php');
1023
	$pmReadGroups = groupsAllowedTo('pm_read');
1024
1025
	if (empty($modSettings['permission_enable_deny']))
1026
		$pmReadGroups['denied'] = array();
1027
1028
	// Load their alert preferences
1029
	require_once($sourcedir . '/Subs-Notify.php');
1030
	$notifyPrefs = getNotifyPrefs($all_to, array('pm_new', 'pm_reply', 'pm_notify'), true);
1031
1032
	$request = $smcFunc['db_query']('', '
1033
		SELECT
1034
			member_name, real_name, id_member, email_address, lngfile,
1035
			instant_messages,' . (allowedTo('moderate_forum') ? ' 0' : '
1036
			(pm_receive_from = {int:admins_only}' . (empty($modSettings['enable_buddylist']) ? '' : ' OR
1037
			(pm_receive_from = {int:buddies_only} AND FIND_IN_SET({string:from_id}, buddy_list) = 0) OR
1038
			(pm_receive_from = {int:not_on_ignore_list} AND FIND_IN_SET({string:from_id}, pm_ignore_list) != 0)') . ')') . ' AS ignored,
1039
			FIND_IN_SET({string:from_id}, buddy_list) != 0 AS is_buddy, is_activated,
1040
			additional_groups, id_group, id_post_group
1041
		FROM {db_prefix}members
1042
		WHERE id_member IN ({array_int:recipients})
1043
		ORDER BY lngfile
1044
		LIMIT {int:count_recipients}',
1045
		array(
1046
			'not_on_ignore_list' => 1,
1047
			'buddies_only' => 2,
1048
			'admins_only' => 3,
1049
			'recipients' => $all_to,
1050
			'count_recipients' => count($all_to),
1051
			'from_id' => $from['id'],
1052
		)
1053
	);
1054
	$notifications = array();
1055
	while ($row = $smcFunc['db_fetch_assoc']($request))
1056
	{
1057
		// Don't do anything for members to be deleted!
1058
		if (isset($deletes[$row['id_member']]))
1059
			continue;
1060
1061
		// Load the preferences for this member (if any)
1062
		$prefs = !empty($notifyPrefs[$row['id_member']]) ? $notifyPrefs[$row['id_member']] : array();
1063
		$prefs = array_merge(array(
1064
			'pm_new' => 0,
1065
			'pm_reply' => 0,
1066
			'pm_notify' => 0,
1067
		), $prefs);
1068
1069
		// We need to know this members groups.
1070
		$groups = explode(',', $row['additional_groups']);
1071
		$groups[] = $row['id_group'];
1072
		$groups[] = $row['id_post_group'];
1073
1074
		$message_limit = -1;
1075
		// For each group see whether they've gone over their limit - assuming they're not an admin.
1076
		if (!in_array(1, $groups))
1077
		{
1078
			foreach ($groups as $id)
1079
			{
1080
				if (isset($message_limit_cache[$id]) && $message_limit != 0 && $message_limit < $message_limit_cache[$id])
1081
					$message_limit = $message_limit_cache[$id];
1082
			}
1083
1084
			if ($message_limit > 0 && $message_limit <= $row['instant_messages'])
1085
			{
1086
				$log['failed'][$row['id_member']] = sprintf($txt['pm_error_data_limit_reached'], $row['real_name']);
1087
				unset($all_to[array_search($row['id_member'], $all_to)]);
1088
				continue;
1089
			}
1090
1091
			// Do they have any of the allowed groups?
1092
			if (count(array_intersect($pmReadGroups['allowed'], $groups)) == 0 || count(array_intersect($pmReadGroups['denied'], $groups)) != 0)
1093
			{
1094
				$log['failed'][$row['id_member']] = sprintf($txt['pm_error_user_cannot_read'], $row['real_name']);
1095
				unset($all_to[array_search($row['id_member'], $all_to)]);
1096
				continue;
1097
			}
1098
		}
1099
1100
		// Note that PostgreSQL can return a lowercase t/f for FIND_IN_SET
1101
		if (!empty($row['ignored']) && $row['ignored'] != 'f' && $row['id_member'] != $from['id'])
1102
		{
1103
			$log['failed'][$row['id_member']] = sprintf($txt['pm_error_ignored_by_user'], $row['real_name']);
1104
			unset($all_to[array_search($row['id_member'], $all_to)]);
1105
			continue;
1106
		}
1107
1108
		// If the receiving account is banned (>=10) or pending deletion (4), refuse to send the PM.
1109
		if ($row['is_activated'] >= 10 || ($row['is_activated'] == 4 && !$user_info['is_admin']))
1110
		{
1111
			$log['failed'][$row['id_member']] = sprintf($txt['pm_error_user_cannot_read'], $row['real_name']);
1112
			unset($all_to[array_search($row['id_member'], $all_to)]);
1113
			continue;
1114
		}
1115
1116
		// Send a notification, if enabled - taking the buddy list into account.
1117
		if (!empty($row['email_address'])
1118
			&& ((empty($pm_head) && $prefs['pm_new'] & 0x02) || (!empty($pm_head) && $prefs['pm_reply'] & 0x02))
1119
			&& ($prefs['pm_notify'] <= 1 || ($prefs['pm_notify'] > 1 && (!empty($modSettings['enable_buddylist']) && $row['is_buddy']))) && $row['is_activated'] == 1)
1120
		{
1121
			$notifications[empty($row['lngfile']) || empty($modSettings['userLanguage']) ? $language : $row['lngfile']][] = $row['email_address'];
1122
		}
1123
1124
		$log['sent'][$row['id_member']] = sprintf(isset($txt['pm_successfully_sent']) ? $txt['pm_successfully_sent'] : '', $row['real_name']);
1125
	}
1126
	$smcFunc['db_free_result']($request);
1127
1128
	// Only 'send' the message if there are any recipients left.
1129
	if (empty($all_to))
1130
		return $log;
1131
1132
	// Insert the message itself and then grab the last insert id.
1133
	$id_pm = $smcFunc['db_insert']('',
1134
		'{db_prefix}personal_messages',
1135
		array(
1136
			'id_pm_head' => 'int', 'id_member_from' => 'int', 'deleted_by_sender' => 'int',
1137
			'from_name' => 'string-255', 'msgtime' => 'int', 'subject' => 'string-255', 'body' => 'string-65534',
1138
		),
1139
		array(
1140
			$pm_head, $from['id'], ($store_outbox ? 0 : 1),
1141
			$from['username'], time(), $htmlsubject, $htmlmessage,
1142
		),
1143
		array('id_pm'),
1144
		1
1145
	);
1146
1147
	// Add the recipients.
1148
	if (!empty($id_pm))
1149
	{
1150
		// If this is new we need to set it part of it's own conversation.
1151
		if (empty($pm_head))
1152
			$smcFunc['db_query']('', '
1153
				UPDATE {db_prefix}personal_messages
1154
				SET id_pm_head = {int:id_pm_head}
1155
				WHERE id_pm = {int:id_pm_head}',
1156
				array(
1157
					'id_pm_head' => $id_pm,
1158
				)
1159
			);
1160
1161
		// Some people think manually deleting personal_messages is fun... it's not. We protect against it though :)
1162
		$smcFunc['db_query']('', '
1163
			DELETE FROM {db_prefix}pm_recipients
1164
			WHERE id_pm = {int:id_pm}',
1165
			array(
1166
				'id_pm' => $id_pm,
1167
			)
1168
		);
1169
1170
		$insertRows = array();
1171
		$to_list = array();
1172
		foreach ($all_to as $to)
1173
		{
1174
			$insertRows[] = array($id_pm, $to, in_array($to, $recipients['bcc']) ? 1 : 0, isset($deletes[$to]) ? 1 : 0, 1);
1175
			if (!in_array($to, $recipients['bcc']))
1176
				$to_list[] = $to;
1177
		}
1178
1179
		$smcFunc['db_insert']('insert',
1180
			'{db_prefix}pm_recipients',
1181
			array(
1182
				'id_pm' => 'int', 'id_member' => 'int', 'bcc' => 'int', 'deleted' => 'int', 'is_new' => 'int'
1183
			),
1184
			$insertRows,
1185
			array('id_pm', 'id_member')
1186
		);
1187
	}
1188
1189
	$to_names = array();
1190
	if (count($to_list) > 1)
0 ignored issues
show
Comprehensibility Best Practice introduced by
The variable $to_list does not seem to be defined for all execution paths leading up to this point.
Loading history...
1191
	{
1192
		$request = $smcFunc['db_query']('', '
1193
			SELECT real_name
1194
			FROM {db_prefix}members
1195
			WHERE id_member IN ({array_int:to_members})
1196
				AND id_member != {int:from}',
1197
			array(
1198
				'to_members' => $to_list,
1199
				'from' => $from['id'],
1200
			)
1201
		);
1202
		while ($row = $smcFunc['db_fetch_assoc']($request))
1203
			$to_names[] = un_htmlspecialchars($row['real_name']);
1204
		$smcFunc['db_free_result']($request);
1205
	}
1206
	$replacements = array(
1207
		'SUBJECT' => $subject,
1208
		'MESSAGE' => $message,
1209
		'SENDER' => un_htmlspecialchars($from['name']),
1210
		'READLINK' => $scripturl . '?action=pm;pmsg=' . $id_pm . '#msg' . $id_pm,
1211
		'REPLYLINK' => $scripturl . '?action=pm;sa=send;f=inbox;pmsg=' . $id_pm . ';quote;u=' . $from['id'],
1212
		'TOLIST' => implode(', ', $to_names),
1213
	);
1214
	$email_template = 'new_pm' . (empty($modSettings['disallow_sendBody']) ? '_body' : '') . (!empty($to_names) ? '_tolist' : '');
1215
1216
	$notification_texts = array();
1217
1218
	foreach ($notifications as $lang => $notification_list)
1219
	{
1220
		// Censor and parse BBC in the receiver's language. Only do each language once.
1221
		if (empty($notification_texts[$lang]))
1222
		{
1223
			if ($lang != $user_info['language'])
1224
				loadLanguage('index+Modifications', $lang, false);
1225
1226
			$notification_texts[$lang]['subject'] = $subject;
1227
			censorText($notification_texts[$lang]['subject']);
1228
1229
			if (empty($modSettings['disallow_sendBody']))
1230
			{
1231
				$notification_texts[$lang]['body'] = $message;
1232
1233
				censorText($notification_texts[$lang]['body']);
1234
1235
				$notification_texts[$lang]['body'] = trim(un_htmlspecialchars(strip_tags(strtr(parse_bbc($smcFunc['htmlspecialchars']($notification_texts[$lang]['body']), false), array('<br>' => "\n", '</div>' => "\n", '</li>' => "\n", '&#91;' => '[', '&#93;' => ']')))));
1236
			}
1237
			else
1238
				$notification_texts[$lang]['body'] = '';
1239
1240
1241
			if ($lang != $user_info['language'])
1242
				loadLanguage('index+Modifications', $user_info['language'], false);
1243
		}
1244
1245
		$replacements['SUBJECT'] = $notification_texts[$lang]['subject'];
1246
		$replacements['MESSAGE'] = $notification_texts[$lang]['body'];
1247
1248
		$emaildata = loadEmailTemplate($email_template, $replacements, $lang);
1249
1250
		// Off the notification email goes!
1251
		sendmail($notification_list, $emaildata['subject'], $emaildata['body'], null, 'p' . $id_pm, $emaildata['is_html'], 2, null, true);
1252
	}
1253
1254
	// Integrated After PMs
1255
	call_integration_hook('integrate_personal_message_after', array(&$id_pm, &$log, &$recipients, &$from, &$subject, &$message));
1256
1257
	// Back to what we were on before!
1258
	loadLanguage('index+PersonalMessage');
1259
1260
	// Add one to their unread and read message counts.
1261
	foreach ($all_to as $k => $id)
1262
		if (isset($deletes[$id]))
1263
			unset($all_to[$k]);
1264
	if (!empty($all_to))
1265
		updateMemberData($all_to, array('instant_messages' => '+', 'unread_messages' => '+', 'new_pm' => 1));
1266
1267
	return $log;
1268
}
1269
1270
/**
1271
 * Prepare text strings for sending as email body or header.
1272
 * In case there are higher ASCII characters in the given string, this
1273
 * function will attempt the transport method 'quoted-printable'.
1274
 * Otherwise the transport method '7bit' is used.
1275
 *
1276
 * @param string $string The string
1277
 * @param bool $with_charset Whether we're specifying a charset ($custom_charset must be set here)
1278
 * @param bool $hotmail_fix Whether to apply the hotmail fix  (all higher ASCII characters are converted to HTML entities to assure proper display of the mail)
1279
 * @param string $line_break The linebreak
1280
 * @param string $custom_charset If set, it uses this character set
1281
 * @return array An array containing the character set, the converted string and the transport method.
1282
 */
1283
function mimespecialchars($string, $with_charset = true, $hotmail_fix = false, $line_break = "\r\n", $custom_charset = null)
1284
{
1285
	global $context;
1286
1287
	$charset = $custom_charset !== null ? $custom_charset : $context['character_set'];
1288
1289
	// This is the fun part....
1290
	if (preg_match_all('~&#(\d{3,8});~', $string, $matches) !== 0 && !$hotmail_fix)
1291
	{
1292
		// Let's, for now, assume there are only &#021;'ish characters.
1293
		$simple = true;
1294
1295
		foreach ($matches[1] as $entity)
1296
			if ($entity > 128)
1297
				$simple = false;
1298
		unset($matches);
1299
1300
		if ($simple)
1301
			$string = preg_replace_callback(
1302
				'~&#(\d{3,8});~',
1303
				function($m)
1304
				{
1305
					return chr("$m[1]");
0 ignored issues
show
Bug introduced by
$m['1'] of type string is incompatible with the type integer expected by parameter $codepoint of chr(). ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-type  annotation

1305
					return chr(/** @scrutinizer ignore-type */ "$m[1]");
Loading history...
1306
				},
1307
				$string
1308
			);
1309
		else
1310
		{
1311
			// Try to convert the string to UTF-8.
1312
			if (!$context['utf8'] && function_exists('iconv'))
1313
			{
1314
				$newstring = @iconv($context['character_set'], 'UTF-8', $string);
1315
				if ($newstring)
1316
					$string = $newstring;
1317
			}
1318
1319
			$string = preg_replace_callback('~&#(\d{3,8});~', 'fixchar__callback', $string);
1320
1321
			// Unicode, baby.
1322
			$charset = 'UTF-8';
1323
		}
1324
	}
1325
1326
	// Convert all special characters to HTML entities...just for Hotmail :-\
1327
	if ($hotmail_fix && ($context['utf8'] || function_exists('iconv') || $context['character_set'] === 'ISO-8859-1'))
1328
	{
1329
		if (!$context['utf8'] && function_exists('iconv'))
1330
		{
1331
			$newstring = @iconv($context['character_set'], 'UTF-8', $string);
1332
			if ($newstring)
1333
				$string = $newstring;
1334
		}
1335
1336
		$entityConvert = function($m)
1337
		{
1338
			$c = $m[1];
1339
			if (strlen($c) === 1 && ord($c[0]) <= 0x7F)
1340
				return $c;
1341
			elseif (strlen($c) === 2 && ord($c[0]) >= 0xC0 && ord($c[0]) <= 0xDF)
1342
				return "&#" . (((ord($c[0]) ^ 0xC0) << 6) + (ord($c[1]) ^ 0x80)) . ";";
1343
			elseif (strlen($c) === 3 && ord($c[0]) >= 0xE0 && ord($c[0]) <= 0xEF)
1344
				return "&#" . (((ord($c[0]) ^ 0xE0) << 12) + ((ord($c[1]) ^ 0x80) << 6) + (ord($c[2]) ^ 0x80)) . ";";
1345
			elseif (strlen($c) === 4 && ord($c[0]) >= 0xF0 && ord($c[0]) <= 0xF7)
1346
				return "&#" . (((ord($c[0]) ^ 0xF0) << 18) + ((ord($c[1]) ^ 0x80) << 12) + ((ord($c[2]) ^ 0x80) << 6) + (ord($c[3]) ^ 0x80)) . ";";
1347
			else
1348
				return "";
1349
		};
1350
1351
		// Convert all 'special' characters to HTML entities.
1352
		return array($charset, preg_replace_callback('~([\x80-\x{10FFFF}])~u', $entityConvert, $string), '7bit');
1353
	}
1354
1355
	// We don't need to mess with the subject line if no special characters were in it..
1356
	elseif (!$hotmail_fix && preg_match('~([^\x09\x0A\x0D\x20-\x7F])~', $string) === 1)
1357
	{
1358
		// Base64 encode.
1359
		$string = base64_encode($string);
1360
1361
		// Show the characterset and the transfer-encoding for header strings.
1362
		if ($with_charset)
1363
			$string = '=?' . $charset . '?B?' . $string . '?=';
1364
1365
		// Break it up in lines (mail body).
1366
		else
1367
			$string = chunk_split($string, 76, $line_break);
1368
1369
		return array($charset, $string, 'base64');
1370
	}
1371
1372
	else
1373
		return array($charset, $string, '7bit');
1374
}
1375
1376
/**
1377
 * Sends mail, like mail() but over SMTP.
1378
 * It expects no slashes or entities.
1379
 *
1380
 * @internal
1381
 *
1382
 * @param array $mail_to_array Array of strings (email addresses)
1383
 * @param string $subject Email subject
1384
 * @param string $message Email message
1385
 * @param string $headers Email headers
1386
 * @return boolean Whether it sent or not.
1387
 */
1388
function smtp_mail($mail_to_array, $subject, $message, $headers)
1389
{
1390
	global $modSettings, $webmaster_email, $txt, $boardurl, $sourcedir;
1391
1392
	static $helo;
1393
1394
	$modSettings['smtp_host'] = trim($modSettings['smtp_host']);
1395
1396
	// Try POP3 before SMTP?
1397
	// @todo There's no interface for this yet.
1398
	if ($modSettings['mail_type'] == 3 && $modSettings['smtp_username'] != '' && $modSettings['smtp_password'] != '')
1399
	{
1400
		$socket = fsockopen($modSettings['smtp_host'], 110, $errno, $errstr, 2);
1401
		if (!$socket && (substr($modSettings['smtp_host'], 0, 5) == 'smtp.' || substr($modSettings['smtp_host'], 0, 11) == 'ssl://smtp.'))
0 ignored issues
show
introduced by
$socket is of type resource, thus it always evaluated to false.
Loading history...
1402
			$socket = fsockopen(strtr($modSettings['smtp_host'], array('smtp.' => 'pop.')), 110, $errno, $errstr, 2);
1403
1404
		if ($socket)
0 ignored issues
show
introduced by
$socket is of type resource, thus it always evaluated to false.
Loading history...
1405
		{
1406
			fgets($socket, 256);
1407
			fputs($socket, 'USER ' . $modSettings['smtp_username'] . "\r\n");
1408
			fgets($socket, 256);
1409
			fputs($socket, 'PASS ' . base64_decode($modSettings['smtp_password']) . "\r\n");
1410
			fgets($socket, 256);
1411
			fputs($socket, 'QUIT' . "\r\n");
1412
1413
			fclose($socket);
1414
		}
1415
	}
1416
1417
	// Try to connect to the SMTP server... if it doesn't exist, only wait three seconds.
1418
	if (!$socket = fsockopen($modSettings['smtp_host'], empty($modSettings['smtp_port']) ? 25 : $modSettings['smtp_port'], $errno, $errstr, 3))
1419
	{
1420
		// Maybe we can still save this?  The port might be wrong.
1421
		if (substr($modSettings['smtp_host'], 0, 4) == 'ssl:' && (empty($modSettings['smtp_port']) || $modSettings['smtp_port'] == 25))
1422
		{
1423
			// ssl:hostname can cause fsocketopen to fail with a lookup failure, ensure it exists for this test.
1424
			if (substr($modSettings['smtp_host'], 0, 6) != 'ssl://')
1425
				$modSettings['smtp_host'] = str_replace('ssl:', 'ss://', $modSettings['smtp_host']);
1426
1427
			if ($socket = fsockopen($modSettings['smtp_host'], 465, $errno, $errstr, 3))
1428
				log_error($txt['smtp_port_ssl']);
1429
		}
1430
1431
		// Unable to connect!  Don't show any error message, but just log one and try to continue anyway.
1432
		if (!$socket)
0 ignored issues
show
introduced by
$socket is of type resource, thus it always evaluated to false.
Loading history...
1433
		{
1434
			log_error($txt['smtp_no_connect'] . ': ' . $errno . ' : ' . $errstr);
1435
			return false;
1436
		}
1437
	}
1438
1439
	// Wait for a response of 220, without "-" continuer.
1440
	if (!server_parse(null, $socket, '220'))
1441
		return false;
1442
1443
	// Try to determine the server's fully qualified domain name
1444
	// Can't rely on $_SERVER['SERVER_NAME'] because it can be spoofed on Apache
1445
	if (empty($helo))
1446
	{
1447
		// See if we can get the domain name from the host itself
1448
		if (function_exists('gethostname'))
1449
			$helo = gethostname();
1450
		elseif (function_exists('php_uname'))
1451
			$helo = php_uname('n');
1452
1453
		// If the hostname isn't a fully qualified domain name, we can use the host name from $boardurl instead
1454
		if (empty($helo) || strpos($helo, '.') === false || substr_compare($helo, '.local', -6) === 0 || (!empty($modSettings['tld_regex']) && !preg_match('/\.' . $modSettings['tld_regex'] . '$/u', $helo)))
1455
			$helo = parse_iri($boardurl, PHP_URL_HOST);
1456
1457
		// This is one of those situations where 'www.' is undesirable
1458
		if (strpos($helo, 'www.') === 0)
1459
			$helo = substr($helo, 4);
1460
1461
		if (!function_exists('idn_to_ascii'))
1462
			require_once($sourcedir . '/Subs-Compat.php');
1463
1464
		$helo = idn_to_ascii($helo, IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46);
1465
	}
1466
1467
	// SMTP = 1, SMTP - STARTTLS = 2
1468
	if (in_array($modSettings['mail_type'], array(1, 2)) && $modSettings['smtp_username'] != '' && $modSettings['smtp_password'] != '')
1469
	{
1470
		// EHLO could be understood to mean encrypted hello...
1471
		if (server_parse('EHLO ' . $helo, $socket, null, $response) == '250')
1472
		{
1473
			// Are we using STARTTLS and does the server support STARTTLS?
1474
			if ($modSettings['mail_type'] == 2 && preg_match("~250( |-)STARTTLS~mi", $response))
1475
			{
1476
				// Send STARTTLS to enable encryption
1477
				if (!server_parse('STARTTLS', $socket, '220'))
1478
					return false;
1479
				// Enable the encryption
1480
				// php 5.6+ fix
1481
				$crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT;
1482
1483
				if (defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT'))
1484
				{
1485
					$crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
1486
					$crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
1487
				}
1488
1489
				if (!@stream_socket_enable_crypto($socket, true, $crypto_method))
1490
					return false;
1491
				// Send the EHLO command again
1492
				if (!server_parse('EHLO ' . $helo, $socket, null) == '250')
1493
					return false;
1494
			}
1495
1496
			if (!server_parse('AUTH LOGIN', $socket, '334'))
1497
				return false;
1498
			// Send the username and password, encoded.
1499
			if (!server_parse(base64_encode($modSettings['smtp_username']), $socket, '334'))
1500
				return false;
1501
			// The password is already encoded ;)
1502
			if (!server_parse($modSettings['smtp_password'], $socket, '235'))
1503
				return false;
1504
		}
1505
		elseif (!server_parse('HELO ' . $helo, $socket, '250'))
1506
			return false;
1507
	}
1508
	else
1509
	{
1510
		// Just say "helo".
1511
		if (!server_parse('HELO ' . $helo, $socket, '250'))
1512
			return false;
1513
	}
1514
1515
	// Fix the message for any lines beginning with a period! (the first is ignored, you see.)
1516
	$message = strtr($message, array("\r\n" . '.' => "\r\n" . '..'));
1517
1518
	// !! Theoretically, we should be able to just loop the RCPT TO.
1519
	$mail_to_array = array_values($mail_to_array);
1520
	foreach ($mail_to_array as $i => $mail_to)
1521
	{
1522
		// Reset the connection to send another email.
1523
		if ($i != 0)
1524
		{
1525
			if (!server_parse('RSET', $socket, '250'))
1526
				return false;
1527
		}
1528
1529
		// From, to, and then start the data...
1530
		if (!server_parse('MAIL FROM: <' . (empty($modSettings['mail_from']) ? $webmaster_email : $modSettings['mail_from']) . '>', $socket, '250'))
1531
			return false;
1532
		if (!server_parse('RCPT TO: <' . $mail_to . '>', $socket, '250'))
1533
			return false;
1534
		if (!server_parse('DATA', $socket, '354'))
1535
			return false;
1536
		fputs($socket, 'Subject: ' . $subject . "\r\n");
1537
		if (strlen($mail_to) > 0)
1538
			fputs($socket, 'To: <' . $mail_to . '>' . "\r\n");
1539
		fputs($socket, $headers . "\r\n\r\n");
1540
		fputs($socket, $message . "\r\n");
1541
1542
		// Send a ., or in other words "end of data".
1543
		if (!server_parse('.', $socket, '250'))
1544
			return false;
1545
1546
		// Almost done, almost done... don't stop me just yet!
1547
		@set_time_limit(300);
1548
		if (function_exists('apache_reset_timeout'))
1549
			@apache_reset_timeout();
1550
	}
1551
	fputs($socket, 'QUIT' . "\r\n");
1552
	fclose($socket);
1553
1554
	return true;
1555
}
1556
1557
/**
1558
 * Parse a message to the SMTP server.
1559
 * Sends the specified message to the server, and checks for the
1560
 * expected response.
1561
 *
1562
 * @internal
1563
 *
1564
 * @param string $message The message to send
1565
 * @param resource $socket Socket to send on
1566
 * @param string $code The expected response code
1567
 * @param string $response The response from the SMTP server
1568
 * @return bool Whether it responded as such.
1569
 */
1570
function server_parse($message, $socket, $code, &$response = null)
1571
{
1572
	global $txt;
1573
1574
	if ($message !== null)
0 ignored issues
show
introduced by
The condition $message !== null is always true.
Loading history...
1575
		fputs($socket, $message . "\r\n");
1576
1577
	// No response yet.
1578
	$server_response = '';
1579
1580
	while (substr($server_response, 3, 1) != ' ')
1581
	{
1582
		if (!($server_response = fgets($socket, 256)))
1583
		{
1584
			// @todo Change this message to reflect that it may mean bad user/password/server issues/etc.
1585
			log_error($txt['smtp_bad_response']);
1586
			return false;
1587
		}
1588
		$response .= $server_response;
1589
	}
1590
1591
	if ($code === null)
0 ignored issues
show
introduced by
The condition $code === null is always false.
Loading history...
1592
		return substr($server_response, 0, 3);
1593
1594
	if (substr($server_response, 0, 3) != $code)
1595
	{
1596
		log_error($txt['smtp_error'] . $server_response);
1597
		return false;
1598
	}
1599
1600
	return true;
1601
}
1602
1603
/**
1604
 * Spell checks the post for typos ;).
1605
 * It uses the pspell or enchant library, one of which MUST be installed.
1606
 * It has problems with internationalization.
1607
 * It is accessed via ?action=spellcheck.
1608
 */
1609
function SpellCheck()
1610
{
1611
	global $txt, $context, $smcFunc;
1612
1613
	// A list of "words" we know about but pspell doesn't.
1614
	$known_words = array('smf', 'php', 'mysql', 'www', 'gif', 'jpeg', 'png', 'http', 'smfisawesome', 'grandia', 'terranigma', 'rpgs');
1615
1616
	loadLanguage('Post');
1617
	loadTemplate('Post');
1618
1619
	// Create a pspell or enchant dictionary resource
1620
	$dict = spell_init();
1621
1622
	if (!isset($_POST['spellstring']) || !$dict)
1623
		die;
0 ignored issues
show
Best Practice introduced by
Using exit here is not recommended.

In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.

Loading history...
1624
1625
	// Construct a bit of Javascript code.
1626
	$context['spell_js'] = '
1627
		var txt = {"done": "' . $txt['spellcheck_done'] . '"};
1628
		var mispstr = window.opener.spellCheckGetText(spell_fieldname);
1629
		var misps = Array(';
1630
1631
	// Get all the words (Javascript already separated them).
1632
	$alphas = explode("\n", strtr($_POST['spellstring'], array("\r" => '')));
1633
1634
	$found_words = false;
1635
	for ($i = 0, $n = count($alphas); $i < $n; $i++)
1636
	{
1637
		// Words are sent like 'word|offset_begin|offset_end'.
1638
		$check_word = explode('|', $alphas[$i]);
1639
1640
		// If the word is a known word, or spelled right...
1641
		if (in_array($smcFunc['strtolower']($check_word[0]), $known_words) || spell_check($dict, $check_word[0]) || !isset($check_word[2]))
1642
			continue;
1643
1644
		// Find the word, and move up the "last occurrence" to here.
1645
		$found_words = true;
1646
1647
		// Add on the javascript for this misspelling.
1648
		$context['spell_js'] .= '
1649
			new misp("' . strtr($check_word[0], array('\\' => '\\\\', '"' => '\\"', '<' => '', '&gt;' => '')) . '", ' . (int) $check_word[1] . ', ' . (int) $check_word[2] . ', [';
1650
1651
		// If there are suggestions, add them in...
1652
		$suggestions = spell_suggest($dict, $check_word[0]);
1653
		if (!empty($suggestions))
1654
		{
1655
			// But first check they aren't going to be censored - no naughty words!
1656
			foreach ($suggestions as $k => $word)
1657
				if ($suggestions[$k] != censorText($word))
1658
					unset($suggestions[$k]);
1659
1660
			if (!empty($suggestions))
1661
				$context['spell_js'] .= '"' . implode('", "', $suggestions) . '"';
1662
		}
1663
1664
		$context['spell_js'] .= ']),';
1665
	}
1666
1667
	// If words were found, take off the last comma.
1668
	if ($found_words)
1669
		$context['spell_js'] = substr($context['spell_js'], 0, -1);
1670
1671
	$context['spell_js'] .= '
1672
		);';
1673
1674
	// And instruct the template system to just show the spellcheck sub template.
1675
	$context['template_layers'] = array();
1676
	$context['sub_template'] = 'spellcheck';
1677
1678
	// Free resources for enchant...
1679
	if (isset($context['enchant_broker']))
1680
	{
1681
		enchant_broker_free_dict($dict);
1682
		enchant_broker_free($context['enchant_broker']);
1683
	}
1684
}
1685
1686
/**
1687
 * Sends a notification to members who have elected to receive emails
1688
 * when things happen to a topic, such as replies are posted.
1689
 * The function automatically finds the subject and its board, and
1690
 * checks permissions for each member who is "signed up" for notifications.
1691
 * It will not send 'reply' notifications more than once in a row.
1692
 * Uses Post language file
1693
 *
1694
 * @param array $topics Represents the topics the action is happening to.
1695
 * @param string $type Can be any of reply, sticky, lock, unlock, remove, move, merge, and split.  An appropriate message will be sent for each.
1696
 * @param array $exclude Members in the exclude array will not be processed for the topic with the same key.
1697
 * @param array $members_only Are the only ones that will be sent the notification if they have it on.
1698
 */
1699
function sendNotifications($topics, $type, $exclude = array(), $members_only = array())
1700
{
1701
	global $user_info, $smcFunc;
1702
1703
	// Can't do it if there's no topics.
1704
	if (empty($topics))
1705
		return;
1706
	// It must be an array - it must!
1707
	if (!is_array($topics))
0 ignored issues
show
introduced by
The condition is_array($topics) is always true.
Loading history...
1708
		$topics = array($topics);
1709
1710
	// Get the subject and body...
1711
	$result = $smcFunc['db_query']('', '
1712
		SELECT mf.subject, ml.body, ml.id_member, t.id_last_msg, t.id_topic, t.id_board,
1713
			COALESCE(mem.real_name, ml.poster_name) AS poster_name, mf.id_msg
1714
		FROM {db_prefix}topics AS t
1715
			INNER JOIN {db_prefix}messages AS mf ON (mf.id_msg = t.id_first_msg)
1716
			INNER JOIN {db_prefix}messages AS ml ON (ml.id_msg = t.id_last_msg)
1717
			LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = ml.id_member)
1718
		WHERE t.id_topic IN ({array_int:topic_list})
1719
		LIMIT 1',
1720
		array(
1721
			'topic_list' => $topics,
1722
		)
1723
	);
1724
	$task_rows = array();
1725
	while ($row = $smcFunc['db_fetch_assoc']($result))
1726
	{
1727
		$task_rows[] = array(
1728
			'$sourcedir/tasks/CreatePost-Notify.php', 'CreatePost_Notify_Background', $smcFunc['json_encode'](array(
1729
				'msgOptions' => array(
1730
					'id' => $row['id_msg'],
1731
					'subject' => $row['subject'],
1732
					'body' => $row['body'],
1733
				),
1734
				'topicOptions' => array(
1735
					'id' => $row['id_topic'],
1736
					'board' => $row['id_board'],
1737
				),
1738
				// Kinda cheeky, but for any action the originator is usually the current user
1739
				'posterOptions' => array(
1740
					'id' => $user_info['id'],
1741
					'name' => $user_info['name'],
1742
				),
1743
				'type' => $type,
1744
				'members_only' => $members_only,
1745
			)), 0
1746
		);
1747
	}
1748
	$smcFunc['db_free_result']($result);
1749
1750
	if (!empty($task_rows))
1751
		$smcFunc['db_insert']('',
1752
			'{db_prefix}background_tasks',
1753
			array('task_file' => 'string', 'task_class' => 'string', 'task_data' => 'string', 'claimed_time' => 'int'),
1754
			$task_rows,
1755
			array('id_task')
1756
		);
1757
}
1758
1759
/**
1760
 * Create a post, either as new topic (id_topic = 0) or in an existing one.
1761
 * The input parameters of this function assume:
1762
 * - Strings have been escaped.
1763
 * - Integers have been cast to integer.
1764
 * - Mandatory parameters are set.
1765
 *
1766
 * @param array $msgOptions An array of information/options for the post
1767
 * @param array $topicOptions An array of information/options for the topic
1768
 * @param array $posterOptions An array of information/options for the poster
1769
 * @return bool Whether the operation was a success
1770
 */
1771
function createPost(&$msgOptions, &$topicOptions, &$posterOptions)
1772
{
1773
	global $user_info, $txt, $modSettings, $smcFunc, $sourcedir;
1774
1775
	require_once($sourcedir . '/Mentions.php');
1776
1777
	// Set optional parameters to the default value.
1778
	$msgOptions['icon'] = empty($msgOptions['icon']) ? 'xx' : $msgOptions['icon'];
1779
	$msgOptions['smileys_enabled'] = !empty($msgOptions['smileys_enabled']);
1780
	$msgOptions['attachments'] = empty($msgOptions['attachments']) ? array() : $msgOptions['attachments'];
1781
	$msgOptions['approved'] = isset($msgOptions['approved']) ? (int) $msgOptions['approved'] : 1;
1782
	$msgOptions['poster_time'] = isset($msgOptions['poster_time']) ? (int) $msgOptions['poster_time'] : time();
1783
	$topicOptions['id'] = empty($topicOptions['id']) ? 0 : (int) $topicOptions['id'];
1784
	$topicOptions['poll'] = isset($topicOptions['poll']) ? (int) $topicOptions['poll'] : null;
1785
	$topicOptions['lock_mode'] = isset($topicOptions['lock_mode']) ? $topicOptions['lock_mode'] : null;
1786
	$topicOptions['sticky_mode'] = isset($topicOptions['sticky_mode']) ? $topicOptions['sticky_mode'] : null;
1787
	$topicOptions['redirect_expires'] = isset($topicOptions['redirect_expires']) ? $topicOptions['redirect_expires'] : null;
1788
	$topicOptions['redirect_topic'] = isset($topicOptions['redirect_topic']) ? $topicOptions['redirect_topic'] : null;
1789
	$posterOptions['id'] = empty($posterOptions['id']) ? 0 : (int) $posterOptions['id'];
1790
	$posterOptions['ip'] = empty($posterOptions['ip']) ? $user_info['ip'] : $posterOptions['ip'];
1791
1792
	// Not exactly a post option but it allows hooks and/or other sources to skip sending notifications if they don't want to
1793
	$msgOptions['send_notifications'] = isset($msgOptions['send_notifications']) ? (bool) $msgOptions['send_notifications'] : true;
1794
1795
	// We need to know if the topic is approved. If we're told that's great - if not find out.
1796
	if (!$modSettings['postmod_active'])
1797
		$topicOptions['is_approved'] = true;
1798
	elseif (!empty($topicOptions['id']) && !isset($topicOptions['is_approved']))
1799
	{
1800
		$request = $smcFunc['db_query']('', '
1801
			SELECT approved
1802
			FROM {db_prefix}topics
1803
			WHERE id_topic = {int:id_topic}
1804
			LIMIT 1',
1805
			array(
1806
				'id_topic' => $topicOptions['id'],
1807
			)
1808
		);
1809
		list ($topicOptions['is_approved']) = $smcFunc['db_fetch_row']($request);
1810
		$smcFunc['db_free_result']($request);
1811
	}
1812
1813
	// If nothing was filled in as name/e-mail address, try the member table.
1814
	if (!isset($posterOptions['name']) || $posterOptions['name'] == '' || (empty($posterOptions['email']) && !empty($posterOptions['id'])))
1815
	{
1816
		if (empty($posterOptions['id']))
1817
		{
1818
			$posterOptions['id'] = 0;
1819
			$posterOptions['name'] = $txt['guest_title'];
1820
			$posterOptions['email'] = '';
1821
		}
1822
		elseif ($posterOptions['id'] != $user_info['id'])
1823
		{
1824
			$request = $smcFunc['db_query']('', '
1825
				SELECT member_name, email_address
1826
				FROM {db_prefix}members
1827
				WHERE id_member = {int:id_member}
1828
				LIMIT 1',
1829
				array(
1830
					'id_member' => $posterOptions['id'],
1831
				)
1832
			);
1833
			// Couldn't find the current poster?
1834
			if ($smcFunc['db_num_rows']($request) == 0)
1835
			{
1836
				loadLanguage('Errors');
1837
				trigger_error(sprintf($txt['create_post_invalid_member_id'], $posterOptions['id']), E_USER_NOTICE);
1838
				$posterOptions['id'] = 0;
1839
				$posterOptions['name'] = $txt['guest_title'];
1840
				$posterOptions['email'] = '';
1841
			}
1842
			else
1843
				list ($posterOptions['name'], $posterOptions['email']) = $smcFunc['db_fetch_row']($request);
1844
			$smcFunc['db_free_result']($request);
1845
		}
1846
		else
1847
		{
1848
			$posterOptions['name'] = $user_info['name'];
1849
			$posterOptions['email'] = $user_info['email'];
1850
		}
1851
	}
1852
1853
	// Get any members who were quoted in this post.
1854
	$msgOptions['quoted_members'] = Mentions::getQuotedMembers($msgOptions['body'], $posterOptions['id']);
1855
1856
	if (!empty($modSettings['enable_mentions']))
1857
	{
1858
		// Get any members who were possibly mentioned
1859
		$msgOptions['mentioned_members'] = Mentions::getMentionedMembers($msgOptions['body']);
1860
		if (!empty($msgOptions['mentioned_members']))
1861
		{
1862
			// Replace @name with [member=id]name[/member]
1863
			$msgOptions['body'] = Mentions::getBody($msgOptions['body'], $msgOptions['mentioned_members']);
1864
1865
			// Remove any members who weren't actually mentioned, to prevent bogus notifications
1866
			$msgOptions['mentioned_members'] = Mentions::verifyMentionedMembers($msgOptions['body'], $msgOptions['mentioned_members']);
1867
		}
1868
	}
1869
1870
	// It's do or die time: forget any user aborts!
1871
	$previous_ignore_user_abort = ignore_user_abort(true);
1872
1873
	$new_topic = empty($topicOptions['id']);
1874
1875
	$message_columns = array(
1876
		'id_board' => 'int', 'id_topic' => 'int', 'id_member' => 'int', 'subject' => 'string-255', 'body' => (!empty($modSettings['max_messageLength']) && $modSettings['max_messageLength'] > 65534 ? 'string-' . $modSettings['max_messageLength'] : (empty($modSettings['max_messageLength']) ? 'string' : 'string-65534')),
1877
		'poster_name' => 'string-255', 'poster_email' => 'string-255', 'poster_time' => 'int', 'poster_ip' => 'inet',
1878
		'smileys_enabled' => 'int', 'modified_name' => 'string', 'icon' => 'string-16', 'approved' => 'int',
1879
	);
1880
1881
	$message_parameters = array(
1882
		$topicOptions['board'], $topicOptions['id'], $posterOptions['id'], $msgOptions['subject'], $msgOptions['body'],
1883
		$posterOptions['name'], $posterOptions['email'], $msgOptions['poster_time'], $posterOptions['ip'],
1884
		$msgOptions['smileys_enabled'] ? 1 : 0, '', $msgOptions['icon'], $msgOptions['approved'],
1885
	);
1886
1887
	// What if we want to do anything with posts?
1888
	call_integration_hook('integrate_create_post', array(&$msgOptions, &$topicOptions, &$posterOptions, &$message_columns, &$message_parameters));
1889
1890
	// Insert the post.
1891
	$msgOptions['id'] = $smcFunc['db_insert']('',
1892
		'{db_prefix}messages',
1893
		$message_columns,
1894
		$message_parameters,
1895
		array('id_msg'),
1896
		1
1897
	);
1898
1899
	// Something went wrong creating the message...
1900
	if (empty($msgOptions['id']))
1901
		return false;
1902
1903
	// Fix the attachments.
1904
	if (!empty($msgOptions['attachments']))
1905
		$smcFunc['db_query']('', '
1906
			UPDATE {db_prefix}attachments
1907
			SET id_msg = {int:id_msg}
1908
			WHERE id_attach IN ({array_int:attachment_list})',
1909
			array(
1910
				'attachment_list' => $msgOptions['attachments'],
1911
				'id_msg' => $msgOptions['id'],
1912
			)
1913
		);
1914
1915
	// What if we want to export new posts out to a CMS?
1916
	call_integration_hook('integrate_after_create_post', array($msgOptions, $topicOptions, $posterOptions, $message_columns, $message_parameters));
1917
1918
	// Insert a new topic (if the topicID was left empty.)
1919
	if ($new_topic)
1920
	{
1921
		$topic_columns = array(
1922
			'id_board' => 'int', 'id_member_started' => 'int', 'id_member_updated' => 'int', 'id_first_msg' => 'int',
1923
			'id_last_msg' => 'int', 'locked' => 'int', 'is_sticky' => 'int', 'num_views' => 'int',
1924
			'id_poll' => 'int', 'unapproved_posts' => 'int', 'approved' => 'int',
1925
			'redirect_expires' => 'int', 'id_redirect_topic' => 'int',
1926
		);
1927
		$topic_parameters = array(
1928
			$topicOptions['board'], $posterOptions['id'], $posterOptions['id'], $msgOptions['id'],
1929
			$msgOptions['id'], $topicOptions['lock_mode'] === null ? 0 : $topicOptions['lock_mode'], $topicOptions['sticky_mode'] === null ? 0 : $topicOptions['sticky_mode'], 0,
1930
			$topicOptions['poll'] === null ? 0 : $topicOptions['poll'], $msgOptions['approved'] ? 0 : 1, $msgOptions['approved'],
1931
			$topicOptions['redirect_expires'] === null ? 0 : $topicOptions['redirect_expires'], $topicOptions['redirect_topic'] === null ? 0 : $topicOptions['redirect_topic'],
1932
		);
1933
1934
		call_integration_hook('integrate_before_create_topic', array(&$msgOptions, &$topicOptions, &$posterOptions, &$topic_columns, &$topic_parameters));
1935
1936
		$topicOptions['id'] = $smcFunc['db_insert']('',
1937
			'{db_prefix}topics',
1938
			$topic_columns,
1939
			$topic_parameters,
1940
			array('id_topic'),
1941
			1
1942
		);
1943
1944
		// The topic couldn't be created for some reason.
1945
		if (empty($topicOptions['id']))
1946
		{
1947
			// We should delete the post that did work, though...
1948
			$smcFunc['db_query']('', '
1949
				DELETE FROM {db_prefix}messages
1950
				WHERE id_msg = {int:id_msg}',
1951
				array(
1952
					'id_msg' => $msgOptions['id'],
1953
				)
1954
			);
1955
1956
			return false;
1957
		}
1958
1959
		// Fix the message with the topic.
1960
		$smcFunc['db_query']('', '
1961
			UPDATE {db_prefix}messages
1962
			SET id_topic = {int:id_topic}
1963
			WHERE id_msg = {int:id_msg}',
1964
			array(
1965
				'id_topic' => $topicOptions['id'],
1966
				'id_msg' => $msgOptions['id'],
1967
			)
1968
		);
1969
1970
		// There's been a new topic AND a new post today.
1971
		trackStats(array('topics' => '+', 'posts' => '+'));
1972
1973
		updateStats('topic', true);
1974
		updateStats('subject', $topicOptions['id'], $msgOptions['subject']);
1975
1976
		// What if we want to export new topics out to a CMS?
1977
		call_integration_hook('integrate_create_topic', array(&$msgOptions, &$topicOptions, &$posterOptions));
1978
	}
1979
	// The topic already exists, it only needs a little updating.
1980
	else
1981
	{
1982
		$update_parameters = array(
1983
			'poster_id' => $posterOptions['id'],
1984
			'id_msg' => $msgOptions['id'],
1985
			'locked' => $topicOptions['lock_mode'],
1986
			'is_sticky' => $topicOptions['sticky_mode'],
1987
			'id_topic' => $topicOptions['id'],
1988
			'counter_increment' => 1,
1989
		);
1990
		if ($msgOptions['approved'])
1991
			$topics_columns = array(
1992
				'id_member_updated = {int:poster_id}',
1993
				'id_last_msg = {int:id_msg}',
1994
				'num_replies = num_replies + {int:counter_increment}',
1995
			);
1996
		else
1997
			$topics_columns = array(
1998
				'unapproved_posts = unapproved_posts + {int:counter_increment}',
1999
			);
2000
		if ($topicOptions['lock_mode'] !== null)
2001
			$topics_columns[] = 'locked = {int:locked}';
2002
		if ($topicOptions['sticky_mode'] !== null)
2003
			$topics_columns[] = 'is_sticky = {int:is_sticky}';
2004
2005
		call_integration_hook('integrate_modify_topic', array(&$topics_columns, &$update_parameters, &$msgOptions, &$topicOptions, &$posterOptions));
2006
2007
		// Update the number of replies and the lock/sticky status.
2008
		$smcFunc['db_query']('', '
2009
			UPDATE {db_prefix}topics
2010
			SET
2011
				' . implode(', ', $topics_columns) . '
2012
			WHERE id_topic = {int:id_topic}',
2013
			$update_parameters
2014
		);
2015
2016
		// One new post has been added today.
2017
		trackStats(array('posts' => '+'));
2018
	}
2019
2020
	// Creating is modifying...in a way.
2021
	// @todo Why not set id_msg_modified on the insert?
2022
	$smcFunc['db_query']('', '
2023
		UPDATE {db_prefix}messages
2024
		SET id_msg_modified = {int:id_msg}
2025
		WHERE id_msg = {int:id_msg}',
2026
		array(
2027
			'id_msg' => $msgOptions['id'],
2028
		)
2029
	);
2030
2031
	// Increase the number of posts and topics on the board.
2032
	if ($msgOptions['approved'])
2033
		$smcFunc['db_query']('', '
2034
			UPDATE {db_prefix}boards
2035
			SET num_posts = num_posts + 1' . ($new_topic ? ', num_topics = num_topics + 1' : '') . '
2036
			WHERE id_board = {int:id_board}',
2037
			array(
2038
				'id_board' => $topicOptions['board'],
2039
			)
2040
		);
2041
	else
2042
	{
2043
		$smcFunc['db_query']('', '
2044
			UPDATE {db_prefix}boards
2045
			SET unapproved_posts = unapproved_posts + 1' . ($new_topic ? ', unapproved_topics = unapproved_topics + 1' : '') . '
2046
			WHERE id_board = {int:id_board}',
2047
			array(
2048
				'id_board' => $topicOptions['board'],
2049
			)
2050
		);
2051
2052
		// Add to the approval queue too.
2053
		$smcFunc['db_insert']('',
2054
			'{db_prefix}approval_queue',
2055
			array(
2056
				'id_msg' => 'int',
2057
			),
2058
			array(
2059
				$msgOptions['id'],
2060
			),
2061
			array()
2062
		);
2063
2064
		$smcFunc['db_insert']('',
2065
			'{db_prefix}background_tasks',
2066
			array('task_file' => 'string', 'task_class' => 'string', 'task_data' => 'string', 'claimed_time' => 'int'),
2067
			array(
2068
				'$sourcedir/tasks/ApprovePost-Notify.php', 'ApprovePost_Notify_Background', $smcFunc['json_encode'](array(
2069
					'msgOptions' => $msgOptions,
2070
					'topicOptions' => $topicOptions,
2071
					'posterOptions' => $posterOptions,
2072
					'type' => $new_topic ? 'topic' : 'post',
2073
				)), 0
2074
			),
2075
			array('id_task')
2076
		);
2077
	}
2078
2079
	// Mark inserted topic as read (only for the user calling this function).
2080
	if (!empty($topicOptions['mark_as_read']) && !$user_info['is_guest'])
2081
	{
2082
		// Since it's likely they *read* it before replying, let's try an UPDATE first.
2083
		if (!$new_topic)
2084
		{
2085
			$smcFunc['db_query']('', '
2086
				UPDATE {db_prefix}log_topics
2087
				SET id_msg = {int:id_msg}
2088
				WHERE id_member = {int:current_member}
2089
					AND id_topic = {int:id_topic}',
2090
				array(
2091
					'current_member' => $posterOptions['id'],
2092
					'id_msg' => $msgOptions['id'],
2093
					'id_topic' => $topicOptions['id'],
2094
				)
2095
			);
2096
2097
			$flag = $smcFunc['db_affected_rows']() != 0;
2098
		}
2099
2100
		if (empty($flag))
2101
		{
2102
			$smcFunc['db_insert']('ignore',
2103
				'{db_prefix}log_topics',
2104
				array('id_topic' => 'int', 'id_member' => 'int', 'id_msg' => 'int'),
2105
				array($topicOptions['id'], $posterOptions['id'], $msgOptions['id']),
2106
				array('id_topic', 'id_member')
2107
			);
2108
		}
2109
	}
2110
2111
	if ($msgOptions['approved'] && empty($topicOptions['is_approved']) && $posterOptions['id'] != $user_info['id'])
2112
		$smcFunc['db_insert']('',
2113
			'{db_prefix}background_tasks',
2114
			array('task_file' => 'string', 'task_class' => 'string', 'task_data' => 'string', 'claimed_time' => 'int'),
2115
			array(
2116
				'$sourcedir/tasks/ApproveReply-Notify.php', 'ApproveReply_Notify_Background', $smcFunc['json_encode'](array(
2117
					'msgOptions' => $msgOptions,
2118
					'topicOptions' => $topicOptions,
2119
					'posterOptions' => $posterOptions,
2120
				)), 0
2121
			),
2122
			array('id_task')
2123
		);
2124
2125
	// If there's a custom search index, it may need updating...
2126
	require_once($sourcedir . '/Search.php');
2127
	$searchAPI = findSearchAPI();
2128
	if (is_callable(array($searchAPI, 'postCreated')))
2129
		$searchAPI->postCreated($msgOptions, $topicOptions, $posterOptions);
2130
2131
	// Increase the post counter for the user that created the post.
2132
	if (!empty($posterOptions['update_post_count']) && !empty($posterOptions['id']) && $msgOptions['approved'])
2133
	{
2134
		// Are you the one that happened to create this post?
2135
		if ($user_info['id'] == $posterOptions['id'])
2136
			$user_info['posts']++;
2137
		updateMemberData($posterOptions['id'], array('posts' => '+'));
2138
	}
2139
2140
	// They've posted, so they can make the view count go up one if they really want. (this is to keep views >= replies...)
2141
	$_SESSION['last_read_topic'] = 0;
2142
2143
	// Better safe than sorry.
2144
	if (isset($_SESSION['topicseen_cache'][$topicOptions['board']]))
2145
		$_SESSION['topicseen_cache'][$topicOptions['board']]--;
2146
2147
	// Keep track of quotes and mentions.
2148
	if (!empty($msgOptions['quoted_members']))
2149
		Mentions::insertMentions('quote', $msgOptions['id'], $msgOptions['quoted_members'], $posterOptions['id']);
2150
	if (!empty($msgOptions['mentioned_members']))
2151
		Mentions::insertMentions('msg', $msgOptions['id'], $msgOptions['mentioned_members'], $posterOptions['id']);
2152
2153
	// Update all the stats so everyone knows about this new topic and message.
2154
	updateStats('message', true, $msgOptions['id']);
2155
2156
	// Update the last message on the board assuming it's approved AND the topic is.
2157
	if ($msgOptions['approved'])
2158
		updateLastMessages($topicOptions['board'], $new_topic || !empty($topicOptions['is_approved']) ? $msgOptions['id'] : 0);
2159
2160
	// Queue createPost background notification
2161
	if ($msgOptions['send_notifications'] && $msgOptions['approved'])
2162
		$smcFunc['db_insert']('',
2163
			'{db_prefix}background_tasks',
2164
			array('task_file' => 'string', 'task_class' => 'string', 'task_data' => 'string', 'claimed_time' => 'int'),
2165
			array('$sourcedir/tasks/CreatePost-Notify.php', 'CreatePost_Notify_Background', $smcFunc['json_encode'](array(
2166
				'msgOptions' => $msgOptions,
2167
				'topicOptions' => $topicOptions,
2168
				'posterOptions' => $posterOptions,
2169
				'type' => $new_topic ? 'topic' : 'reply',
2170
			)), 0),
2171
			array('id_task')
2172
		);
2173
2174
	// Alright, done now... we can abort now, I guess... at least this much is done.
2175
	ignore_user_abort($previous_ignore_user_abort);
0 ignored issues
show
Bug introduced by
$previous_ignore_user_abort of type integer is incompatible with the type boolean|null expected by parameter $enable of ignore_user_abort(). ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-type  annotation

2175
	ignore_user_abort(/** @scrutinizer ignore-type */ $previous_ignore_user_abort);
Loading history...
2176
2177
	// Success.
2178
	return true;
2179
}
2180
2181
/**
2182
 * Modifying a post...
2183
 *
2184
 * @param array &$msgOptions An array of information/options for the post
2185
 * @param array &$topicOptions An array of information/options for the topic
2186
 * @param array &$posterOptions An array of information/options for the poster
2187
 * @return bool Whether the post was modified successfully
2188
 */
2189
function modifyPost(&$msgOptions, &$topicOptions, &$posterOptions)
2190
{
2191
	global $user_info, $modSettings, $smcFunc, $sourcedir;
2192
2193
	$topicOptions['poll'] = isset($topicOptions['poll']) ? (int) $topicOptions['poll'] : null;
2194
	$topicOptions['lock_mode'] = isset($topicOptions['lock_mode']) ? $topicOptions['lock_mode'] : null;
2195
	$topicOptions['sticky_mode'] = isset($topicOptions['sticky_mode']) ? $topicOptions['sticky_mode'] : null;
2196
2197
	// This is longer than it has to be, but makes it so we only set/change what we have to.
2198
	$messages_columns = array();
2199
	if (isset($posterOptions['name']))
2200
		$messages_columns['poster_name'] = $posterOptions['name'];
2201
	if (isset($posterOptions['email']))
2202
		$messages_columns['poster_email'] = $posterOptions['email'];
2203
	if (isset($msgOptions['icon']))
2204
		$messages_columns['icon'] = $msgOptions['icon'];
2205
	if (isset($msgOptions['subject']))
2206
		$messages_columns['subject'] = $msgOptions['subject'];
2207
	if (isset($msgOptions['body']))
2208
	{
2209
		$messages_columns['body'] = $msgOptions['body'];
2210
2211
		// using a custom search index, then lets get the old message so we can update our index as needed
2212
		if (!empty($modSettings['search_custom_index_config']))
2213
		{
2214
			$request = $smcFunc['db_query']('', '
2215
				SELECT body
2216
				FROM {db_prefix}messages
2217
				WHERE id_msg = {int:id_msg}',
2218
				array(
2219
					'id_msg' => $msgOptions['id'],
2220
				)
2221
			);
2222
			list ($msgOptions['old_body']) = $smcFunc['db_fetch_row']($request);
2223
			$smcFunc['db_free_result']($request);
2224
		}
2225
	}
2226
	if (!empty($msgOptions['modify_time']))
2227
	{
2228
		$messages_columns['modified_time'] = $msgOptions['modify_time'];
2229
		$messages_columns['modified_name'] = $msgOptions['modify_name'];
2230
		$messages_columns['modified_reason'] = $msgOptions['modify_reason'];
2231
		$messages_columns['id_msg_modified'] = $modSettings['maxMsgID'];
2232
	}
2233
	if (isset($msgOptions['smileys_enabled']))
2234
		$messages_columns['smileys_enabled'] = empty($msgOptions['smileys_enabled']) ? 0 : 1;
2235
2236
	// Which columns need to be ints?
2237
	$messageInts = array('modified_time', 'id_msg_modified', 'smileys_enabled');
2238
	$update_parameters = array(
2239
		'id_msg' => $msgOptions['id'],
2240
	);
2241
2242
	// Update search api
2243
	require_once($sourcedir . '/Search.php');
2244
	$searchAPI = findSearchAPI();
2245
	if ($searchAPI->supportsMethod('postRemoved'))
2246
		$searchAPI->postRemoved($msgOptions['id']);
2247
2248
	// Anyone quoted or mentioned?
2249
	require_once($sourcedir . '/Mentions.php');
2250
2251
	$quoted_members = Mentions::getQuotedMembers($msgOptions['body'], $posterOptions['id']);
2252
	$quoted_modifications = Mentions::modifyMentions('quote', $msgOptions['id'], $quoted_members, $posterOptions['id']);
2253
2254
	if (!empty($quoted_modifications['added']))
2255
	{
2256
		$msgOptions['quoted_members'] = array_intersect_key($quoted_members, array_flip(array_keys($quoted_modifications['added'])));
2257
2258
		// You don't need a notification about quoting yourself.
2259
		unset($msgOptions['quoted_members'][$user_info['id']]);
2260
	}
2261
2262
	if (!empty($modSettings['enable_mentions']) && isset($msgOptions['body']))
2263
	{
2264
		$mentions = Mentions::getMentionedMembers($msgOptions['body']);
2265
		$messages_columns['body'] = $msgOptions['body'] = Mentions::getBody($msgOptions['body'], $mentions);
2266
		$mentions = Mentions::verifyMentionedMembers($msgOptions['body'], $mentions);
2267
2268
		// Update our records in the database.
2269
		$mention_modifications = Mentions::modifyMentions('msg', $msgOptions['id'], $mentions, $posterOptions['id']);
2270
2271
		if (!empty($mention_modifications['added']))
2272
		{
2273
			// Queue this for notification.
2274
			$msgOptions['mentioned_members'] = array_intersect_key($mentions, array_flip(array_keys($mention_modifications['added'])));
2275
2276
			// Mentioning yourself is silly, and we aren't going to notify you about it.
2277
			unset($msgOptions['mentioned_members'][$user_info['id']]);
2278
		}
2279
	}
2280
2281
	// This allows mods to skip sending notifications if they don't want to.
2282
	$msgOptions['send_notifications'] = isset($msgOptions['send_notifications']) ? (bool) $msgOptions['send_notifications'] : true;
2283
2284
	// Maybe a mod wants to make some changes?
2285
	call_integration_hook('integrate_modify_post', array(&$messages_columns, &$update_parameters, &$msgOptions, &$topicOptions, &$posterOptions, &$messageInts));
2286
2287
	foreach ($messages_columns as $var => $val)
2288
	{
2289
		$messages_columns[$var] = $var . ' = {' . (in_array($var, $messageInts) ? 'int' : 'string') . ':var_' . $var . '}';
2290
		$update_parameters['var_' . $var] = $val;
2291
	}
2292
2293
	// Nothing to do?
2294
	if (empty($messages_columns))
2295
		return true;
2296
2297
	// Change the post.
2298
	$smcFunc['db_query']('', '
2299
		UPDATE {db_prefix}messages
2300
		SET ' . implode(', ', $messages_columns) . '
2301
		WHERE id_msg = {int:id_msg}',
2302
		$update_parameters
2303
	);
2304
2305
	// Lock and or sticky the post.
2306
	if ($topicOptions['sticky_mode'] !== null || $topicOptions['lock_mode'] !== null || $topicOptions['poll'] !== null)
2307
	{
2308
		$smcFunc['db_query']('', '
2309
			UPDATE {db_prefix}topics
2310
			SET
2311
				is_sticky = {raw:is_sticky},
2312
				locked = {raw:locked},
2313
				id_poll = {raw:id_poll}
2314
			WHERE id_topic = {int:id_topic}',
2315
			array(
2316
				'is_sticky' => $topicOptions['sticky_mode'] === null ? 'is_sticky' : (int) $topicOptions['sticky_mode'],
2317
				'locked' => $topicOptions['lock_mode'] === null ? 'locked' : (int) $topicOptions['lock_mode'],
2318
				'id_poll' => $topicOptions['poll'] === null ? 'id_poll' : (int) $topicOptions['poll'],
2319
				'id_topic' => $topicOptions['id'],
2320
			)
2321
		);
2322
	}
2323
2324
	// Mark the edited post as read.
2325
	if (!empty($topicOptions['mark_as_read']) && !$user_info['is_guest'])
2326
	{
2327
		// Since it's likely they *read* it before editing, let's try an UPDATE first.
2328
		$smcFunc['db_query']('', '
2329
			UPDATE {db_prefix}log_topics
2330
			SET id_msg = {int:id_msg}
2331
			WHERE id_member = {int:current_member}
2332
				AND id_topic = {int:id_topic}',
2333
			array(
2334
				'current_member' => $user_info['id'],
2335
				'id_msg' => $modSettings['maxMsgID'],
2336
				'id_topic' => $topicOptions['id'],
2337
			)
2338
		);
2339
2340
		$flag = $smcFunc['db_affected_rows']() != 0;
2341
2342
		if (empty($flag))
2343
		{
2344
			$smcFunc['db_insert']('ignore',
2345
				'{db_prefix}log_topics',
2346
				array('id_topic' => 'int', 'id_member' => 'int', 'id_msg' => 'int'),
2347
				array($topicOptions['id'], $user_info['id'], $modSettings['maxMsgID']),
2348
				array('id_topic', 'id_member')
2349
			);
2350
		}
2351
	}
2352
2353
	// If there's a custom search index, it needs to be modified...
2354
	require_once($sourcedir . '/Search.php');
2355
	$searchAPI = findSearchAPI();
2356
	if (is_callable(array($searchAPI, 'postModified')))
2357
		$searchAPI->postModified($msgOptions, $topicOptions, $posterOptions);
2358
2359
	// Send notifications about any new quotes or mentions.
2360
	if ($msgOptions['send_notifications'] && !empty($msgOptions['approved']) && (!empty($msgOptions['quoted_members']) || !empty($msgOptions['mentioned_members'])))
2361
	{
2362
		$smcFunc['db_insert']('',
2363
			'{db_prefix}background_tasks',
2364
			array('task_file' => 'string', 'task_class' => 'string', 'task_data' => 'string', 'claimed_time' => 'int'),
2365
			array('$sourcedir/tasks/CreatePost-Notify.php', 'CreatePost_Notify_Background', $smcFunc['json_encode'](array(
2366
				'msgOptions' => $msgOptions,
2367
				'topicOptions' => $topicOptions,
2368
				'posterOptions' => $posterOptions,
2369
				'type' => 'edit',
2370
			)), 0),
2371
			array('id_task')
2372
		);
2373
	}
2374
2375
	if (isset($msgOptions['subject']))
2376
	{
2377
		// Only update the subject if this was the first message in the topic.
2378
		$request = $smcFunc['db_query']('', '
2379
			SELECT id_topic
2380
			FROM {db_prefix}topics
2381
			WHERE id_first_msg = {int:id_first_msg}
2382
			LIMIT 1',
2383
			array(
2384
				'id_first_msg' => $msgOptions['id'],
2385
			)
2386
		);
2387
		if ($smcFunc['db_num_rows']($request) == 1)
2388
			updateStats('subject', $topicOptions['id'], $msgOptions['subject']);
2389
		$smcFunc['db_free_result']($request);
2390
	}
2391
2392
	// Finally, if we are setting the approved state we need to do much more work :(
2393
	if ($modSettings['postmod_active'] && isset($msgOptions['approved']))
2394
		approvePosts($msgOptions['id'], $msgOptions['approved']);
2395
2396
	return true;
2397
}
2398
2399
/**
2400
 * Approve (or not) some posts... without permission checks...
2401
 *
2402
 * @param array $msgs Array of message ids
2403
 * @param bool $approve Whether to approve the posts (if false, posts are unapproved)
2404
 * @param bool $notify Whether to notify users
2405
 * @return bool Whether the operation was successful
2406
 */
2407
function approvePosts($msgs, $approve = true, $notify = true)
2408
{
2409
	global $smcFunc;
2410
2411
	if (!is_array($msgs))
0 ignored issues
show
introduced by
The condition is_array($msgs) is always true.
Loading history...
2412
		$msgs = array($msgs);
2413
2414
	if (empty($msgs))
2415
		return false;
2416
2417
	// May as well start at the beginning, working out *what* we need to change.
2418
	$request = $smcFunc['db_query']('', '
2419
		SELECT m.id_msg, m.approved, m.id_topic, m.id_board, t.id_first_msg, t.id_last_msg,
2420
			m.body, m.subject, COALESCE(mem.real_name, m.poster_name) AS poster_name, m.id_member,
2421
			t.approved AS topic_approved, b.count_posts
2422
		FROM {db_prefix}messages AS m
2423
			INNER JOIN {db_prefix}topics AS t ON (t.id_topic = m.id_topic)
2424
			INNER JOIN {db_prefix}boards AS b ON (b.id_board = m.id_board)
2425
			LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = m.id_member)
2426
		WHERE m.id_msg IN ({array_int:message_list})
2427
			AND m.approved = {int:approved_state}',
2428
		array(
2429
			'message_list' => $msgs,
2430
			'approved_state' => $approve ? 0 : 1,
2431
		)
2432
	);
2433
	$msgs = array();
2434
	$topics = array();
2435
	$topic_changes = array();
2436
	$board_changes = array();
2437
	$notification_topics = array();
2438
	$notification_posts = array();
2439
	$member_post_changes = array();
2440
	while ($row = $smcFunc['db_fetch_assoc']($request))
2441
	{
2442
		// Easy...
2443
		$msgs[] = $row['id_msg'];
2444
		$topics[] = $row['id_topic'];
2445
2446
		// Ensure our change array exists already.
2447
		if (!isset($topic_changes[$row['id_topic']]))
2448
			$topic_changes[$row['id_topic']] = array(
2449
				'id_last_msg' => $row['id_last_msg'],
2450
				'approved' => $row['topic_approved'],
2451
				'replies' => 0,
2452
				'unapproved_posts' => 0,
2453
			);
2454
		if (!isset($board_changes[$row['id_board']]))
2455
			$board_changes[$row['id_board']] = array(
2456
				'posts' => 0,
2457
				'topics' => 0,
2458
				'unapproved_posts' => 0,
2459
				'unapproved_topics' => 0,
2460
			);
2461
2462
		// If it's the first message then the topic state changes!
2463
		if ($row['id_msg'] == $row['id_first_msg'])
2464
		{
2465
			$topic_changes[$row['id_topic']]['approved'] = $approve ? 1 : 0;
2466
2467
			$board_changes[$row['id_board']]['unapproved_topics'] += $approve ? -1 : 1;
2468
			$board_changes[$row['id_board']]['topics'] += $approve ? 1 : -1;
2469
2470
			// Note we need to ensure we announce this topic!
2471
			$notification_topics[] = array(
2472
				'body' => $row['body'],
2473
				'subject' => $row['subject'],
2474
				'name' => $row['poster_name'],
2475
				'board' => $row['id_board'],
2476
				'topic' => $row['id_topic'],
2477
				'msg' => $row['id_first_msg'],
2478
				'poster' => $row['id_member'],
2479
				'new_topic' => true,
2480
			);
2481
		}
2482
		else
2483
		{
2484
			$topic_changes[$row['id_topic']]['replies'] += $approve ? 1 : -1;
2485
2486
			// This will be a post... but don't notify unless it's not followed by approved ones.
2487
			if ($row['id_msg'] > $row['id_last_msg'])
2488
				$notification_posts[$row['id_topic']] = array(
2489
					'id' => $row['id_msg'],
2490
					'body' => $row['body'],
2491
					'subject' => $row['subject'],
2492
					'name' => $row['poster_name'],
2493
					'topic' => $row['id_topic'],
2494
					'board' => $row['id_board'],
2495
					'poster' => $row['id_member'],
2496
					'new_topic' => false,
2497
					'msg' => $row['id_msg'],
2498
				);
2499
		}
2500
2501
		// If this is being approved and id_msg is higher than the current id_last_msg then it changes.
2502
		if ($approve && $row['id_msg'] > $topic_changes[$row['id_topic']]['id_last_msg'])
2503
			$topic_changes[$row['id_topic']]['id_last_msg'] = $row['id_msg'];
2504
		// If this is being unapproved, and it's equal to the id_last_msg we need to find a new one!
2505
		elseif (!$approve)
2506
			// Default to the first message and then we'll override in a bit ;)
2507
			$topic_changes[$row['id_topic']]['id_last_msg'] = $row['id_first_msg'];
2508
2509
		$topic_changes[$row['id_topic']]['unapproved_posts'] += $approve ? -1 : 1;
2510
		$board_changes[$row['id_board']]['unapproved_posts'] += $approve ? -1 : 1;
2511
		$board_changes[$row['id_board']]['posts'] += $approve ? 1 : -1;
2512
2513
		// Post count for the user?
2514
		if ($row['id_member'] && empty($row['count_posts']))
2515
			$member_post_changes[$row['id_member']] = isset($member_post_changes[$row['id_member']]) ? $member_post_changes[$row['id_member']] + 1 : 1;
2516
	}
2517
	$smcFunc['db_free_result']($request);
2518
2519
	if (empty($msgs))
2520
		return;
2521
2522
	// Now we have the differences make the changes, first the easy one.
2523
	$smcFunc['db_query']('', '
2524
		UPDATE {db_prefix}messages
2525
		SET approved = {int:approved_state}
2526
		WHERE id_msg IN ({array_int:message_list})',
2527
		array(
2528
			'message_list' => $msgs,
2529
			'approved_state' => $approve ? 1 : 0,
2530
		)
2531
	);
2532
2533
	// If we were unapproving find the last msg in the topics...
2534
	if (!$approve)
2535
	{
2536
		$request = $smcFunc['db_query']('', '
2537
			SELECT id_topic, MAX(id_msg) AS id_last_msg
2538
			FROM {db_prefix}messages
2539
			WHERE id_topic IN ({array_int:topic_list})
2540
				AND approved = {int:approved}
2541
			GROUP BY id_topic',
2542
			array(
2543
				'topic_list' => $topics,
2544
				'approved' => 1,
2545
			)
2546
		);
2547
		while ($row = $smcFunc['db_fetch_assoc']($request))
2548
			$topic_changes[$row['id_topic']]['id_last_msg'] = $row['id_last_msg'];
2549
		$smcFunc['db_free_result']($request);
2550
	}
2551
2552
	// ... next the topics...
2553
	foreach ($topic_changes as $id => $changes)
2554
		$smcFunc['db_query']('', '
2555
			UPDATE {db_prefix}topics
2556
			SET approved = {int:approved}, unapproved_posts = unapproved_posts + {int:unapproved_posts},
2557
				num_replies = num_replies + {int:num_replies}, id_last_msg = {int:id_last_msg}
2558
			WHERE id_topic = {int:id_topic}',
2559
			array(
2560
				'approved' => $changes['approved'],
2561
				'unapproved_posts' => $changes['unapproved_posts'],
2562
				'num_replies' => $changes['replies'],
2563
				'id_last_msg' => $changes['id_last_msg'],
2564
				'id_topic' => $id,
2565
			)
2566
		);
2567
2568
	// ... finally the boards...
2569
	foreach ($board_changes as $id => $changes)
2570
		$smcFunc['db_query']('', '
2571
			UPDATE {db_prefix}boards
2572
			SET num_posts = num_posts + {int:num_posts}, unapproved_posts = unapproved_posts + {int:unapproved_posts},
2573
				num_topics = num_topics + {int:num_topics}, unapproved_topics = unapproved_topics + {int:unapproved_topics}
2574
			WHERE id_board = {int:id_board}',
2575
			array(
2576
				'num_posts' => $changes['posts'],
2577
				'unapproved_posts' => $changes['unapproved_posts'],
2578
				'num_topics' => $changes['topics'],
2579
				'unapproved_topics' => $changes['unapproved_topics'],
2580
				'id_board' => $id,
2581
			)
2582
		);
2583
2584
	// Finally, least importantly, notifications!
2585
	if ($approve)
2586
	{
2587
		$task_rows = array();
2588
		foreach (array_merge($notification_topics, $notification_posts) as $topic)
2589
			$task_rows[] = array(
2590
				'$sourcedir/tasks/CreatePost-Notify.php', 'CreatePost_Notify_Background', $smcFunc['json_encode'](array(
2591
					'msgOptions' => array(
2592
						'id' => $topic['msg'],
2593
						'body' => $topic['body'],
2594
						'subject' => $topic['subject'],
2595
					),
2596
					'topicOptions' => array(
2597
						'id' => $topic['topic'],
2598
						'board' => $topic['board'],
2599
					),
2600
					'posterOptions' => array(
2601
						'id' => $topic['poster'],
2602
						'name' => $topic['name'],
2603
					),
2604
					'type' => $topic['new_topic'] ? 'topic' : 'reply',
2605
				)), 0
2606
			);
2607
2608
		if ($notify)
2609
			$smcFunc['db_insert']('',
2610
				'{db_prefix}background_tasks',
2611
				array('task_file' => 'string', 'task_class' => 'string', 'task_data' => 'string', 'claimed_time' => 'int'),
2612
				$task_rows,
2613
				array('id_task')
2614
			);
2615
2616
		$smcFunc['db_query']('', '
2617
			DELETE FROM {db_prefix}approval_queue
2618
			WHERE id_msg IN ({array_int:message_list})
2619
				AND id_attach = {int:id_attach}',
2620
			array(
2621
				'message_list' => $msgs,
2622
				'id_attach' => 0,
2623
			)
2624
		);
2625
	}
2626
	// If unapproving add to the approval queue!
2627
	else
2628
	{
2629
		$msgInserts = array();
2630
		foreach ($msgs as $msg)
2631
			$msgInserts[] = array($msg);
2632
2633
		$smcFunc['db_insert']('ignore',
2634
			'{db_prefix}approval_queue',
2635
			array('id_msg' => 'int'),
2636
			$msgInserts,
2637
			array('id_msg')
2638
		);
2639
	}
2640
2641
	// Update the last messages on the boards...
2642
	updateLastMessages(array_keys($board_changes));
2643
2644
	// Post count for the members?
2645
	if (!empty($member_post_changes))
2646
		foreach ($member_post_changes as $id_member => $count_change)
2647
			updateMemberData($id_member, array('posts' => 'posts ' . ($approve ? '+' : '-') . ' ' . $count_change));
2648
2649
	// In case an external CMS needs to know about this approval/unapproval.
2650
	call_integration_hook('integrate_after_approve_posts', array($approve, $msgs, $topic_changes, $member_post_changes));
2651
2652
	return true;
2653
}
2654
2655
/**
2656
 * Approve topics?
2657
 *
2658
 * @todo shouldn't this be in topic
2659
 *
2660
 * @param array $topics Array of topic ids
2661
 * @param bool $approve Whether to approve the topics. If false, unapproves them instead
2662
 * @return bool Whether the operation was successful
2663
 */
2664
function approveTopics($topics, $approve = true)
2665
{
2666
	global $smcFunc;
2667
2668
	if (!is_array($topics))
0 ignored issues
show
introduced by
The condition is_array($topics) is always true.
Loading history...
2669
		$topics = array($topics);
2670
2671
	if (empty($topics))
2672
		return false;
2673
2674
	$approve_type = $approve ? 0 : 1;
2675
2676
	// Just get the messages to be approved and pass through...
2677
	$request = $smcFunc['db_query']('', '
2678
		SELECT id_first_msg
2679
		FROM {db_prefix}topics
2680
		WHERE id_topic IN ({array_int:topic_list})
2681
			AND approved = {int:approve_type}',
2682
		array(
2683
			'topic_list' => $topics,
2684
			'approve_type' => $approve_type,
2685
		)
2686
	);
2687
	$msgs = array();
2688
	while ($row = $smcFunc['db_fetch_assoc']($request))
2689
		$msgs[] = $row['id_first_msg'];
2690
	$smcFunc['db_free_result']($request);
2691
2692
	return approvePosts($msgs, $approve);
2693
}
2694
2695
/**
2696
 * Takes an array of board IDs and updates their last messages.
2697
 * If the board has a parent, that parent board is also automatically
2698
 * updated.
2699
 * The columns updated are id_last_msg and last_updated.
2700
 * Note that id_last_msg should always be updated using this function,
2701
 * and is not automatically updated upon other changes.
2702
 *
2703
 * @param array $setboards An array of board IDs
2704
 * @param int $id_msg The ID of the message
2705
 * @return void|false Returns false if $setboards is empty for some reason
2706
 */
2707
function updateLastMessages($setboards, $id_msg = 0)
2708
{
2709
	global $board_info, $board, $smcFunc;
2710
2711
	// Please - let's be sane.
2712
	if (empty($setboards))
2713
		return false;
2714
2715
	if (!is_array($setboards))
0 ignored issues
show
introduced by
The condition is_array($setboards) is always true.
Loading history...
2716
		$setboards = array($setboards);
2717
2718
	// If we don't know the id_msg we need to find it.
2719
	if (!$id_msg)
2720
	{
2721
		// Find the latest message on this board (highest id_msg.)
2722
		$request = $smcFunc['db_query']('', '
2723
			SELECT id_board, MAX(id_last_msg) AS id_msg
2724
			FROM {db_prefix}topics
2725
			WHERE id_board IN ({array_int:board_list})
2726
				AND approved = {int:approved}
2727
			GROUP BY id_board',
2728
			array(
2729
				'board_list' => $setboards,
2730
				'approved' => 1,
2731
			)
2732
		);
2733
		$lastMsg = array();
2734
		while ($row = $smcFunc['db_fetch_assoc']($request))
2735
			$lastMsg[$row['id_board']] = $row['id_msg'];
2736
		$smcFunc['db_free_result']($request);
2737
	}
2738
	else
2739
	{
2740
		// Just to note - there should only be one board passed if we are doing this.
2741
		foreach ($setboards as $id_board)
2742
			$lastMsg[$id_board] = $id_msg;
2743
	}
2744
2745
	$parent_boards = array();
2746
	// Keep track of last modified dates.
2747
	$lastModified = $lastMsg;
0 ignored issues
show
Comprehensibility Best Practice introduced by
The variable $lastMsg does not seem to be defined for all execution paths leading up to this point.
Loading history...
2748
	// Get all the child boards for the parents, if they have some...
2749
	foreach ($setboards as $id_board)
2750
	{
2751
		if (!isset($lastMsg[$id_board]))
2752
		{
2753
			$lastMsg[$id_board] = 0;
2754
			$lastModified[$id_board] = 0;
2755
		}
2756
2757
		if (!empty($board) && $id_board == $board)
2758
			$parents = $board_info['parent_boards'];
2759
		else
2760
			$parents = getBoardParents($id_board);
2761
2762
		// Ignore any parents on the top child level.
2763
		// @todo Why?
2764
		foreach ($parents as $id => $parent)
2765
		{
2766
			if ($parent['level'] != 0)
2767
			{
2768
				// If we're already doing this one as a board, is this a higher last modified?
2769
				if (isset($lastModified[$id]) && $lastModified[$id_board] > $lastModified[$id])
2770
					$lastModified[$id] = $lastModified[$id_board];
2771
				elseif (!isset($lastModified[$id]) && (!isset($parent_boards[$id]) || $parent_boards[$id] < $lastModified[$id_board]))
2772
					$parent_boards[$id] = $lastModified[$id_board];
2773
			}
2774
		}
2775
	}
2776
2777
	// Note to help understand what is happening here. For parents we update the timestamp of the last message for determining
2778
	// whether there are child boards which have not been read. For the boards themselves we update both this and id_last_msg.
2779
2780
	$board_updates = array();
2781
	$parent_updates = array();
2782
	// Finally, to save on queries make the changes...
2783
	foreach ($parent_boards as $id => $msg)
2784
	{
2785
		if (!isset($parent_updates[$msg]))
2786
			$parent_updates[$msg] = array($id);
2787
		else
2788
			$parent_updates[$msg][] = $id;
2789
	}
2790
2791
	foreach ($lastMsg as $id => $msg)
2792
	{
2793
		if (!isset($board_updates[$msg . '-' . $lastModified[$id]]))
2794
			$board_updates[$msg . '-' . $lastModified[$id]] = array(
2795
				'id' => $msg,
2796
				'updated' => $lastModified[$id],
2797
				'boards' => array($id)
2798
			);
2799
2800
		else
2801
			$board_updates[$msg . '-' . $lastModified[$id]]['boards'][] = $id;
2802
	}
2803
2804
	// Now commit the changes!
2805
	foreach ($parent_updates as $id_msg => $boards)
2806
	{
2807
		$smcFunc['db_query']('', '
2808
			UPDATE {db_prefix}boards
2809
			SET id_msg_updated = {int:id_msg_updated}
2810
			WHERE id_board IN ({array_int:board_list})
2811
				AND id_msg_updated < {int:id_msg_updated}',
2812
			array(
2813
				'board_list' => $boards,
2814
				'id_msg_updated' => $id_msg,
2815
			)
2816
		);
2817
	}
2818
	foreach ($board_updates as $board_data)
2819
	{
2820
		$smcFunc['db_query']('', '
2821
			UPDATE {db_prefix}boards
2822
			SET id_last_msg = {int:id_last_msg}, id_msg_updated = {int:id_msg_updated}
2823
			WHERE id_board IN ({array_int:board_list})',
2824
			array(
2825
				'board_list' => $board_data['boards'],
2826
				'id_last_msg' => $board_data['id'],
2827
				'id_msg_updated' => $board_data['updated'],
2828
			)
2829
		);
2830
	}
2831
}
2832
2833
/**
2834
 * This simple function gets a list of all administrators and sends them an email
2835
 *  to let them know a new member has joined.
2836
 * Called by registerMember() function in Subs-Members.php.
2837
 * Email is sent to all groups that have the moderate_forum permission.
2838
 * The language set by each member is being used (if available).
2839
 * Uses the Login language file
2840
 *
2841
 * @param string $type The type. Types supported are 'approval', 'activation', and 'standard'.
2842
 * @param int $memberID The ID of the member
2843
 * @param string $member_name The name of the member (if null, it is pulled from the database)
2844
 */
2845
function adminNotify($type, $memberID, $member_name = null)
2846
{
2847
	global $smcFunc;
2848
2849
	if ($member_name == null)
0 ignored issues
show
Bug introduced by
It seems like you are loosely comparing $member_name of type null|string against null; this is ambiguous if the string can be empty. Consider using a strict comparison === instead.
Loading history...
2850
	{
2851
		// Get the new user's name....
2852
		$request = $smcFunc['db_query']('', '
2853
			SELECT real_name
2854
			FROM {db_prefix}members
2855
			WHERE id_member = {int:id_member}
2856
			LIMIT 1',
2857
			array(
2858
				'id_member' => $memberID,
2859
			)
2860
		);
2861
		list ($member_name) = $smcFunc['db_fetch_row']($request);
2862
		$smcFunc['db_free_result']($request);
2863
	}
2864
2865
	// This is really just a wrapper for making a new background task to deal with all the fun.
2866
	$smcFunc['db_insert']('insert',
2867
		'{db_prefix}background_tasks',
2868
		array('task_file' => 'string', 'task_class' => 'string', 'task_data' => 'string', 'claimed_time' => 'int'),
2869
		array('$sourcedir/tasks/Register-Notify.php', 'Register_Notify_Background', $smcFunc['json_encode'](array(
2870
			'new_member_id' => $memberID,
2871
			'new_member_name' => $member_name,
2872
			'notify_type' => $type,
2873
			'time' => time(),
2874
		)), 0),
2875
		array('id_task')
2876
	);
2877
}
2878
2879
/**
2880
 * Load a template from EmailTemplates language file.
2881
 *
2882
 * @param string $template The name of the template to load
2883
 * @param array $replacements An array of replacements for the variables in the template
2884
 * @param string $lang The language to use, if different than the user's current language
2885
 * @param bool $loadLang Whether to load the language file first
2886
 * @return array An array containing the subject and body of the email template, with replacements made
2887
 */
2888
function loadEmailTemplate($template, $replacements = array(), $lang = '', $loadLang = true)
2889
{
2890
	global $txt, $mbname, $scripturl, $settings, $context;
2891
2892
	// First things first, load up the email templates language file, if we need to.
2893
	if ($loadLang)
2894
		loadLanguage('EmailTemplates', $lang);
2895
2896
	if (!isset($txt[$template . '_subject']) || !isset($txt[$template . '_body']))
2897
		fatal_lang_error('email_no_template', 'template', array($template));
2898
2899
	$ret = array(
2900
		'subject' => $txt[$template . '_subject'],
2901
		'body' => $txt[$template . '_body'],
2902
		'is_html' => !empty($txt[$template . '_html']),
2903
	);
2904
2905
	// Add in the default replacements.
2906
	$replacements += array(
2907
		'FORUMNAME' => $mbname,
2908
		'SCRIPTURL' => $scripturl,
2909
		'THEMEURL' => $settings['theme_url'],
2910
		'IMAGESURL' => $settings['images_url'],
2911
		'DEFAULT_THEMEURL' => $settings['default_theme_url'],
2912
		'REGARDS' => sprintf($txt['regards_team'], $context['forum_name']),
2913
	);
2914
2915
	// Split the replacements up into two arrays, for use with str_replace
2916
	$find = array();
2917
	$replace = array();
2918
2919
	foreach ($replacements as $f => $r)
2920
	{
2921
		$find[] = '{' . $f . '}';
2922
		$replace[] = $r;
2923
	}
2924
2925
	// Do the variable replacements.
2926
	$ret['subject'] = str_replace($find, $replace, $ret['subject']);
2927
	$ret['body'] = str_replace($find, $replace, $ret['body']);
2928
2929
	// Now deal with the {USER.variable} items.
2930
	$ret['subject'] = preg_replace_callback('~{USER.([^}]+)}~', 'user_info_callback', $ret['subject']);
2931
	$ret['body'] = preg_replace_callback('~{USER.([^}]+)}~', 'user_info_callback', $ret['body']);
2932
2933
	// Finally return the email to the caller so they can send it out.
2934
	return $ret;
2935
}
2936
2937
/**
2938
 * Callback function for loademaitemplate on subject and body
2939
 * Uses capture group 1 in array
2940
 *
2941
 * @param array $matches An array of matches
2942
 * @return string The match
2943
 */
2944
function user_info_callback($matches)
2945
{
2946
	global $user_info;
2947
	if (empty($matches[1]))
2948
		return '';
2949
2950
	$use_ref = true;
2951
	$ref = &$user_info;
2952
2953
	foreach (explode('.', $matches[1]) as $index)
2954
	{
2955
		if ($use_ref && isset($ref[$index]))
2956
			$ref = &$ref[$index];
2957
		else
2958
		{
2959
			$use_ref = false;
2960
			break;
2961
		}
2962
	}
2963
2964
	return $use_ref ? $ref : $matches[0];
2965
}
2966
2967
/**
2968
 * spell_init()
2969
 *
2970
 * Sets up a dictionary resource handle. Tries enchant first then falls through to pspell.
2971
 *
2972
 * @return resource|bool An enchant or pspell dictionary resource handle or false if the dictionary couldn't be loaded
2973
 */
2974
function spell_init()
2975
{
2976
	global $context, $txt;
2977
2978
	// Check for UTF-8 and strip ".utf8" off the lang_locale string for enchant
2979
	$context['spell_utf8'] = ($txt['lang_character_set'] == 'UTF-8');
2980
	$lang_locale = str_replace('.utf8', '', $txt['lang_locale']);
2981
2982
	// Try enchant first since PSpell is (supposedly) deprecated as of PHP 5.3
2983
	// enchant only does UTF-8, so we need iconv if you aren't using UTF-8
2984
	if (function_exists('enchant_broker_init') && ($context['spell_utf8'] || function_exists('iconv')))
2985
	{
2986
		// We'll need this to free resources later...
2987
		$context['enchant_broker'] = enchant_broker_init();
2988
2989
		// Try locale first, then general...
2990
		if (!empty($lang_locale) && enchant_broker_dict_exists($context['enchant_broker'], $lang_locale))
2991
		{
2992
			$enchant_link = enchant_broker_request_dict($context['enchant_broker'], $lang_locale);
2993
		}
2994
		elseif (enchant_broker_dict_exists($context['enchant_broker'], $txt['lang_dictionary']))
2995
		{
2996
			$enchant_link = enchant_broker_request_dict($context['enchant_broker'], $txt['lang_dictionary']);
2997
		}
2998
2999
		// Success
3000
		if (!empty($enchant_link))
3001
		{
3002
			$context['provider'] = 'enchant';
3003
			return $enchant_link;
3004
		}
3005
		else
3006
		{
3007
			// Free up any resources used...
3008
			@enchant_broker_free($context['enchant_broker']);
3009
		}
3010
	}
3011
3012
	// Fall through to pspell if enchant didn't work
3013
	if (function_exists('pspell_new'))
3014
	{
3015
		// Okay, this looks funny, but it actually fixes a weird bug.
3016
		ob_start();
3017
		$old = error_reporting(0);
3018
3019
		// See, first, some windows machines don't load pspell properly on the first try.  Dumb, but this is a workaround.
3020
		pspell_new('en');
3021
3022
		// Next, the dictionary in question may not exist. So, we try it... but...
3023
		$pspell_link = pspell_new($txt['lang_dictionary'], '', '', strtr($context['character_set'], array('iso-' => 'iso', 'ISO-' => 'iso')), PSPELL_FAST | PSPELL_RUN_TOGETHER);
3024
3025
		// Most people don't have anything but English installed... So we use English as a last resort.
3026
		if (!$pspell_link)
3027
			$pspell_link = pspell_new('en', '', '', '', PSPELL_FAST | PSPELL_RUN_TOGETHER);
3028
3029
		error_reporting($old);
3030
		ob_end_clean();
3031
3032
		// If we have pspell, exit now...
3033
		if ($pspell_link)
3034
		{
3035
			$context['provider'] = 'pspell';
3036
			return $pspell_link;
3037
		}
3038
	}
3039
3040
	// If we get this far, we're doomed
3041
	return false;
3042
}
3043
3044
/**
3045
 * spell_check()
3046
 *
3047
 * Determines whether or not the specified word is spelled correctly
3048
 *
3049
 * @param resource $dict An enchant or pspell dictionary resource set up by {@link spell_init()}
3050
 * @param string $word A word to check the spelling of
3051
 * @return bool Whether or not the specified word is spelled properly
3052
 */
3053
function spell_check($dict, $word)
3054
{
3055
	global $context, $txt;
3056
3057
	// Enchant or pspell?
3058
	if ($context['provider'] == 'enchant')
3059
	{
3060
		// This is a bit tricky here...
3061
		if (!$context['spell_utf8'])
3062
		{
3063
			// Convert the word to UTF-8 with iconv
3064
			$word = iconv($txt['lang_character_set'], 'UTF-8', $word);
3065
		}
3066
		return enchant_dict_check($dict, $word);
3067
	}
3068
	elseif ($context['provider'] == 'pspell')
3069
	{
3070
		return pspell_check($dict, $word);
0 ignored issues
show
Bug introduced by
$dict of type resource is incompatible with the type integer expected by parameter $dictionary_link of pspell_check(). ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-type  annotation

3070
		return pspell_check(/** @scrutinizer ignore-type */ $dict, $word);
Loading history...
3071
	}
3072
}
3073
3074
/**
3075
 * spell_suggest()
3076
 *
3077
 * Returns an array of suggested replacements for the specified word
3078
 *
3079
 * @param resource $dict An enchant or pspell dictionary resource
3080
 * @param string $word A misspelled word
3081
 * @return array An array of suggested replacements for the misspelled word
3082
 */
3083
function spell_suggest($dict, $word)
3084
{
3085
	global $context, $txt;
3086
3087
	if ($context['provider'] == 'enchant')
3088
	{
3089
		// If we're not using UTF-8, we need iconv to handle some stuff...
3090
		if (!$context['spell_utf8'])
3091
		{
3092
			// Convert the word to UTF-8 before getting suggestions
3093
			$word = iconv($txt['lang_character_set'], 'UTF-8', $word);
3094
			$suggestions = enchant_dict_suggest($dict, $word);
3095
3096
			// Go through the suggestions and convert them back to the proper character set
3097
			foreach ($suggestions as $index => $suggestion)
3098
			{
3099
				// //TRANSLIT makes it use similar-looking characters for incompatible ones...
3100
				$suggestions[$index] = iconv('UTF-8', $txt['lang_character_set'] . '//TRANSLIT', $suggestion);
3101
			}
3102
3103
			return $suggestions;
3104
		}
3105
		else
3106
		{
3107
			return enchant_dict_suggest($dict, $word);
3108
		}
3109
	}
3110
	elseif ($context['provider'] == 'pspell')
3111
	{
3112
		return pspell_suggest($dict, $word);
0 ignored issues
show
Bug introduced by
$dict of type resource is incompatible with the type integer expected by parameter $dictionary_link of pspell_suggest(). ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-type  annotation

3112
		return pspell_suggest(/** @scrutinizer ignore-type */ $dict, $word);
Loading history...
3113
	}
3114
}
3115
3116
?>