Request::getError() - Code Metrics - Inspection of "add tests" - PiedWeb/Curl - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 57f229...1fda10 )

by Dev

created 2019-01-15 11:07 UTC

Request::getError() A

↳ Parent: Request

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	0
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php

namespace PiedWeb\Curl;

class Request
{
    use UserAgentTrait;

    const  RETURN_HEADER_ONLY = 2;
    const  RETURN_HEADER = 1;

    /**
     * Curl resource handle.
     *
     * @var resource
     */
    private $handle;

    /** @var string contains targeted URL */
    private $url;

    /** @var string contains current UA */
    private $userAgent;

    /** @var int */
    private $returnHeaders = 0;

    /** @var mixed */
    private $filter;

    /** @var bool */
    private $optChangeDuringRequest = false;

    /**
     * Constructor.
     *
     * @param string $ur to request
     */
    public function __construct(?string $url = null)
    {
        $this->handle = curl_init();
        $this->setOpt(CURLOPT_RETURNTRANSFER, 1);

        if (null !== $url) {
            $this->setUrl($url);
        }
    }

    public function getHandle()
    {
        return $this->handle;
    }

    public function getUrl()
    {
        return $this->url;
    }

    /**
     * Change the URL to cURL.
     *
     * @param string $url to request
     *
     * @return self
     */
    public function setUrl(string $url)
    {
        $this->url = $url;
        $this->setOpt(CURLOPT_URL, $url);

        return $this;
    }

    /**
     * Add a cURL's option.
     *
     * @param int   $option cURL Predefined Constant
     * @param mixed $value
     *
     * @return self
     */
    public function setOpt($option, $value)
    {
        curl_setopt($this->handle, $option, $value);

        return $this;
    }

    /**
     * A short way to set some classic options to cURL a web page.
     *
     * @return self
     */
    public function setDefaultGetOptions(
        $connectTimeOut = 5,
        $timeOut = 10,
        $dnsCacheTimeOut = 600,
        $followLocation = true,
        $maxRedirs = 5
    ) {
        $this
            ->setOpt(CURLOPT_AUTOREFERER, 1)
            ->setOpt(CURLOPT_FOLLOWLOCATION, $followLocation)
            ->setOpt(CURLOPT_MAXREDIRS, $maxRedirs)
            ->setOpt(CURLOPT_CONNECTTIMEOUT, $connectTimeOut)
            ->setOpt(CURLOPT_DNS_CACHE_TIMEOUT, $dnsCacheTimeOut)
            ->setOpt(CURLOPT_TIMEOUT, $timeOut)
             //->setOpt(CURLOPT_SSL_VERIFYPEER,    0);
        ;

        return $this;
    }

    /**
     * A short way to set some classic options to cURL a web page quickly
     * (but loosing some data like header, cookie...).
     *
     * @return self
     */
    public function setDefaultSpeedOptions()
    {
        $this->setOpt(CURLOPT_SSL_VERIFYHOST, 0);
        $this->setOpt(CURLOPT_SSL_VERIFYPEER, 0);

        if (!$this->returnHeaders) {
            $this->setOpt(CURLOPT_HEADER, 0);
        }

        $this->setDefaultGetOptions(5, 10, 600, true, 1);
        $this->setEncodingGzip();

        return $this;
    }

    /**
     * Call it if you want header informations.
     * After self::exec(), you would have this informations with getHeader();.
     *
     * @return self
     */
    public function setReturnHeader($only = false)
    {
        $this->setOpt(CURLOPT_HEADER, 1);
        $this->returnHeaders = $only ? self::RETURN_HEADER_ONLY : self::RETURN_HEADER;

        if ($only) {
            $this->setOpt(CURLOPT_RETURNTRANSFER, 0);
            $this->setOpt(CURLOPT_NOBODY, 1);
        }

        return $this;
    }

    public function mustReturnHeaders()
    {
        return $this->returnHeaders;
    }

    /**
     * An self::setOpt()'s alias to add a cookie to your request.
     *
     * @param string $cookie
     *
     * @return self
     */
    public function setCookie($cookie)
    {
        $this->setOpt(CURLOPT_COOKIE, $cookie);

        return $this;
    }

    /**
     * An self::setOpt()'s alias to add a referer to your request.
     *
     * @param string $referer
     *
     * @return self
     */
    public function setReferer($referer)
    {
        $this->setOpt(CURLOPT_REFERER, $referer);

        return $this;
    }

    /**
     * An self::setOpt()'s alias to add an user-agent to your request.
     *
     * @param string $ua
     *
     * @return self
     */
    public function setUserAgent(string $ua)
    {
        $this->userAgent = $ua;

        $this->setOpt(CURLOPT_USERAGENT, $ua);

        return $this;
    }

    public function getUserAgent()
    {
        return $this->userAgent;
    }

    /**
     * A short way to set post's options to cURL a web page.
     *
     * @param mixed $post if it's an array, will be converted via http build query
     *
     * @return self
     */
    public function setPost($post)
    {
        $this->setOpt(CURLOPT_CUSTOMREQUEST, 'POST');
        $this->setOpt(CURLOPT_POST, 1);
        $this->setOpt(CURLOPT_POSTFIELDS, is_array($post) ? http_build_query($post) : $post);

        return $this;
    }

    /**
     * If you want to request the URL and hope get the result gzipped.
     * The output will be automatically uncompress with exec();.
     *
     * @return self
     */
    public function setEncodingGzip()
    {
        $this->setOpt(CURLOPT_ENCODING, 'gzip, deflate');

        return $this;
    }

    /**
     * If you want to request the URL with a (http|socks...) proxy (public or private).
     *
     * @param string $proxy [scheme]IP:PORT[:LOGIN:PASSWORD]
     *                      Eg. : socks5://98.023.023.02:1098:cUrlRequestProxId:SecretPassword
     *
     * @return self
     */
    public function setProxy(string $proxy)
    {
        $scheme = Helper::getSchemeFrom($proxy);
        $proxy = explode(':', $proxy);
        $this->setOpt(CURLOPT_HTTPPROXYTUNNEL, 1);
        $this->setOpt(CURLOPT_PROXY, $scheme.$proxy[0].':'.$proxy[1]);
        if (isset($proxy[2])) {
            $this->setOpt(CURLOPT_PROXYUSERPWD, $proxy[2].':'.$proxy[3]);
        }

        return $this;
    }

    /**
     * @param mixed $func function wich must return boolean
     *
     * @return self
     */
    public function setDownloadOnlyIf(callable $func)
    {
        $this->setReturnHeader();

        $this->filter = $func;
        $this->setOpt(CURLOPT_HEADERFUNCTION, [$this, 'checkHeader']);
        $this->setOpt(CURLOPT_NOBODY, 1);

        return $this;
    }

    public function checkHeader($handle, $line)
    {
        if (is_string($line)) {
            if (call_user_func($this->filter, $line)) {
                $this->optChangeDuringRequest = true;
                $this->setOpt(CURLOPT_NOBODY, 0);
            }
        }

        return strlen($line);
    }

    /**
     * Execute the request.
     *
     * @return Response|int corresponding to the curl error
     */
    public function exec($optChange = false)
    {
        $return = Response::get($this);

        // Permits to transform HEAD request in GET request
        if ($this->optChangeDuringRequest && false === $optChange) {
            $this->optChangeDuringRequest = true;

            return $this->exec(true);
        }

        if ($return instanceof Response) {
            $this->setReferer($return->getEffectiveUrl());
        }

        return $return;
    }

    /**
     * Return the last error number (curl_errno).
     *
     * @return int the error number or 0 (zero) if no error occurred
     */
    public function hasError()
    {
        return curl_errno($this->handle);
    }

    /**
     * Return a string containing the last error for the current session (curl_error).
     *
     * @return string the error message or '' (the empty string) if no error occurred
     */
    public function getError()
    {
        return curl_error($this->handle);
    }

    /**
     * Get information regarding the request.
     *
     * @param int $opt This may be one of the following constants:
     *                 http://php.net/manual/en/function.curl-getinfo.php
     *
     * @return array|string|false
     */
    public function getInfo(?int $opt)
    {
        return $opt ? curl_getinfo($this->handle, $opt) : curl_getinfo($this->handle);
    }

    /**
     * Close the connexion
     * Call curl_reset function.
     */
    public function close()
    {
        curl_reset($this->handle);
    }
}


1		<?php
2
3		namespace PiedWeb\Curl;
4
5		class Request
6		{
7		use UserAgentTrait;
8
9		const RETURN_HEADER_ONLY = 2;
10		const RETURN_HEADER = 1;
11
12		/**
13		* Curl resource handle.
14		*
15		* @var resource
16		*/
17		private $handle;
18
19		/** @var string contains targeted URL */
20		private $url;
21
22		/** @var string contains current UA */
23		private $userAgent;
24
25		/** @var int */
26		private $returnHeaders = 0;
27
28		/** @var mixed */
29		private $filter;
30
31		/** @var bool */
32		private $optChangeDuringRequest = false;
33
34		/**
35		* Constructor.
36		*
37		* @param string $ur to request
38		*/
39	24	public function __construct(?string $url = null)
40		{
41	24	$this->handle = curl_init();
42	24	$this->setOpt(CURLOPT_RETURNTRANSFER, 1);
43
44	24	if (null !== $url) {
45	24	$this->setUrl($url);
46		}
47	24	}
48
49	24	public function getHandle()
50		{
51	24	return $this->handle;
52		}
53
54	6	public function getUrl()
55		{
56	6	return $this->url;
57		}
58
59		/**
60		* Change the URL to cURL.
61		*
62		* @param string $url to request
63		*
64		* @return self
65		*/
66	24	public function setUrl(string $url)
67		{
68	24	$this->url = $url;
69	24	$this->setOpt(CURLOPT_URL, $url);
70
71	24	return $this;
72		}
73
74		/**
75		* Add a cURL's option.
76		*
77		* @param int $option cURL Predefined Constant
78		* @param mixed $value
79		*
80		* @return self
81		*/
82	24	public function setOpt($option, $value)
83		{
84	24	curl_setopt($this->handle, $option, $value);
85
86	24	return $this;
87		}
88
89		/**
90		* A short way to set some classic options to cURL a web page.
91		*
92		* @return self
93		*/
94	21	public function setDefaultGetOptions(
95		$connectTimeOut = 5,
96		$timeOut = 10,
97		$dnsCacheTimeOut = 600,
98		$followLocation = true,
99		$maxRedirs = 5
100		) {
101		$this
102	21	->setOpt(CURLOPT_AUTOREFERER, 1)
103	21	->setOpt(CURLOPT_FOLLOWLOCATION, $followLocation)
104	21	->setOpt(CURLOPT_MAXREDIRS, $maxRedirs)
105	21	->setOpt(CURLOPT_CONNECTTIMEOUT, $connectTimeOut)
106	21	->setOpt(CURLOPT_DNS_CACHE_TIMEOUT, $dnsCacheTimeOut)
107	21	->setOpt(CURLOPT_TIMEOUT, $timeOut)
108		//->setOpt(CURLOPT_SSL_VERIFYPEER, 0);
109		;
110
111	21	return $this;
112		}
113
114		/**
115		* A short way to set some classic options to cURL a web page quickly
116		* (but loosing some data like header, cookie...).
117		*
118		* @return self
119		*/
120	6	public function setDefaultSpeedOptions()
121		{
122	6	$this->setOpt(CURLOPT_SSL_VERIFYHOST, 0);
123	6	$this->setOpt(CURLOPT_SSL_VERIFYPEER, 0);
124
125	6	if (!$this->returnHeaders) {
126	6	$this->setOpt(CURLOPT_HEADER, 0);
127		}
128
129	6	$this->setDefaultGetOptions(5, 10, 600, true, 1);
130	6	$this->setEncodingGzip();
131
132	6	return $this;
133		}
134
135		/**
136		* Call it if you want header informations.
137		* After self::exec(), you would have this informations with getHeader();.
138		*
139		* @return self
140		*/
141	21	public function setReturnHeader($only = false)
142		{
143	21	$this->setOpt(CURLOPT_HEADER, 1);
144	21	$this->returnHeaders = $only ? self::RETURN_HEADER_ONLY : self::RETURN_HEADER;
145
146	21	if ($only) {
147	3	$this->setOpt(CURLOPT_RETURNTRANSFER, 0);
148	3	$this->setOpt(CURLOPT_NOBODY, 1);
149		}
150
151	21	return $this;
152		}
153
154	18	public function mustReturnHeaders()
155		{
156	18	return $this->returnHeaders;
157		}
158
159		/**
160		* An self::setOpt()'s alias to add a cookie to your request.
161		*
162		* @param string $cookie
163		*
164		* @return self
165		*/
166	3	public function setCookie($cookie)
167		{
168	3	$this->setOpt(CURLOPT_COOKIE, $cookie);
169
170	3	return $this;
171		}
172
173		/**
174		* An self::setOpt()'s alias to add a referer to your request.
175		*
176		* @param string $referer
177		*
178		* @return self
179		*/
180	18	public function setReferer($referer)
181		{
182	18	$this->setOpt(CURLOPT_REFERER, $referer);
183
184	18	return $this;
185		}
186
187		/**
188		* An self::setOpt()'s alias to add an user-agent to your request.
189		*
190		* @param string $ua
191		*
192		* @return self
193		*/
194	21	public function setUserAgent(string $ua)
195		{
196	21	$this->userAgent = $ua;
197
198	21	$this->setOpt(CURLOPT_USERAGENT, $ua);
199
200	21	return $this;
201		}
202
203	3	public function getUserAgent()
204		{
205	3	return $this->userAgent;
206		}
207
208		/**
209		* A short way to set post's options to cURL a web page.
210		*
211		* @param mixed $post if it's an array, will be converted via http build query
212		*
213		* @return self
214		*/
215	3	public function setPost($post)
216		{
217	3	$this->setOpt(CURLOPT_CUSTOMREQUEST, 'POST');
218	3	$this->setOpt(CURLOPT_POST, 1);
219	3	$this->setOpt(CURLOPT_POSTFIELDS, is_array($post) ? http_build_query($post) : $post);
220
221	3	return $this;
222		}
223
224		/**
225		* If you want to request the URL and hope get the result gzipped.
226		* The output will be automatically uncompress with exec();.
227		*
228		* @return self
229		*/
230	21	public function setEncodingGzip()
231		{
232	21	$this->setOpt(CURLOPT_ENCODING, 'gzip, deflate');
233
234	21	return $this;
235		}
236
237		/**
238		* If you want to request the URL with a (http\|socks...) proxy (public or private).
239		*
240		* @param string $proxy [scheme]IP:PORT[:LOGIN:PASSWORD]
241		* Eg. : socks5://98.023.023.02:1098:cUrlRequestProxId:SecretPassword
242		*
243		* @return self
244		*/
245	3	public function setProxy(string $proxy)
246		{
247	3	$scheme = Helper::getSchemeFrom($proxy);
248	3	$proxy = explode(':', $proxy);
249	3	$this->setOpt(CURLOPT_HTTPPROXYTUNNEL, 1);
250	3	$this->setOpt(CURLOPT_PROXY, $scheme.$proxy[0].':'.$proxy[1]);
251	3	if (isset($proxy[2])) {
252		$this->setOpt(CURLOPT_PROXYUSERPWD, $proxy[2].':'.$proxy[3]);
253		}
254
255	3	return $this;
256		}
257
258		/**
259		* @param mixed $func function wich must return boolean
260		*
261		* @return self
262		*/
263	18	public function setDownloadOnlyIf(callable $func)
264		{
265	18	$this->setReturnHeader();
266
267	18	$this->filter = $func;
268	18	$this->setOpt(CURLOPT_HEADERFUNCTION, [$this, 'checkHeader']);
269	18	$this->setOpt(CURLOPT_NOBODY, 1);
270
271	18	return $this;
272		}
273
274	18	public function checkHeader($handle, $line)
275		{
276	18	if (is_string($line)) {
277	18	if (call_user_func($this->filter, $line)) {
278	12	$this->optChangeDuringRequest = true;
279	12	$this->setOpt(CURLOPT_NOBODY, 0);
280		}
281		}
282
283	18	return strlen($line);
284		}
285
286		/**
287		* Execute the request.
288		*
289		* @return Response\|int corresponding to the curl error
290		*/
291	24	public function exec($optChange = false)
292		{
293	24	$return = Response::get($this);
294
295		// Permits to transform HEAD request in GET request
296	24	if ($this->optChangeDuringRequest && false === $optChange) {
297	12	$this->optChangeDuringRequest = true;
298
299	12	return $this->exec(true);
300		}
301
302	24	if ($return instanceof Response) {
303	18	$this->setReferer($return->getEffectiveUrl());
304		}
305
306	24	return $return;
307		}
308
309		/**
310		* Return the last error number (curl_errno).
311		*
312		* @return int the error number or 0 (zero) if no error occurred
313		*/
314	3	public function hasError()
315		{
316	3	return curl_errno($this->handle);
317		}
318
319		/**
320		* Return a string containing the last error for the current session (curl_error).
321		*
322		* @return string the error message or '' (the empty string) if no error occurred
323		*/
324	3	public function getError()
325		{
326	3	return curl_error($this->handle);
327		}
328
329		/**
330		* Get information regarding the request.
331		*
332		* @param int $opt This may be one of the following constants:
333		* http://php.net/manual/en/function.curl-getinfo.php
334		*
335		* @return array\|string\|false
336		*/
337	3	public function getInfo(?int $opt)
338		{
339	3	return $opt ? curl_getinfo($this->handle, $opt) : curl_getinfo($this->handle);
340		}
341
342		/**
343		* Close the connexion
344		* Call curl_reset function.
345		*/
346	3	public function close()
347		{
348	3	curl_reset($this->handle);
349	3	}
350		}
351

PiedWeb / Curl

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Request::getError() A

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