Validator::isNotEmpty() - Code Metrics - Inspection of "Use factories to create routes and responses" - fisharebest/webtrees - Measure and Improve Code Quality continuously with Scrutinizer

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Push — develop ( e21e10...4cbe0a )

by Greg

created 2022-02-26 10:41 UTC

Validator::isNotEmpty() A

↳ Parent: Validator

Complexity

Conditions	3
Paths	1

Size

Total Lines	5
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	2
c	0
b	0
f	0
nc	1
nop	0
dl	0
loc	5
rs	10

<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2021 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees;

use Aura\Router\Route;
use Closure;
use Fisharebest\Webtrees\Contracts\UserInterface;
use Fisharebest\Webtrees\Http\Exceptions\HttpBadRequestException;
use LogicException;
use Psr\Http\Message\ServerRequestInterface;

use function array_reduce;
use function ctype_digit;
use function is_array;
use function is_int;
use function is_string;
use function parse_url;
use function preg_match;
use function str_starts_with;

/**
 * Validate a parameter from an HTTP request
 */
class Validator
{
    /** @var array<int|string|Tree|UserInterface|array<int|string>> */
    private array $parameters;

    /** @var array<Closure> */
    private array $rules = [];

    /**
     * @param array<int|string|Tree|UserInterface|array<int|string>> $parameters
     */
    public function __construct(array $parameters)
    {
        $this->parameters = $parameters;
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return self
     */
    public static function attributes(ServerRequestInterface $request): self
    {
        return new self($request->getAttributes());
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return self
     */
    public static function parsedBody(ServerRequestInterface $request): self
    {
        return new self((array) $request->getParsedBody());
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return self
     */
    public static function queryParams(ServerRequestInterface $request): self
    {
        return new self($request->getQueryParams());
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return self
     */
    public static function serverParams(ServerRequestInterface $request): self
    {
        return new self($request->getServerParams());
    }

    /**
     * @param int $minimum
     * @param int $maximum
     *
     * @return self
     */
    public function isBetween(int $minimum, int $maximum): self
    {
        $this->rules[] = static function (?int $value) use ($minimum, $maximum): ?int {
            if (is_int($value) && $value >= $minimum && $value <= $maximum) {
                return $value;
            }

            return null;
        };

        return $this;
    }

    /**
     * @param array<string> $values
     *
     * @return $this
     */
    public function isInArray(array $values): self
    {
        $this->rules[] = static fn (?string $value): ?string => $value !== null && in_array($value, $values, true) ? $value : null;

        return $this;
    }

    /**
     * @param array<string> $values
     *
     * @return $this
     */
    public function isInArrayKeys(array $values): self
    {
        return $this->isInArray(array_keys($values));
    }

    /**
     * @return $this
     */
    public function isNotEmpty(): self
    {
        $this->rules[] = static fn (?string $value): ?string => $value !== null && $value !== '' ? $value : null;

        return $this;
    }

    /**
     * @param string $base_url
     *
     * @return $this
     */
    public function isLocalUrl(string $base_url): self
    {
        $this->rules[] = static function (?string $value) use ($base_url): ?string {
            if ($value !== null) {
                $value_info    = parse_url($value);
                $base_url_info = parse_url($base_url);

                if (!is_array($base_url_info)) {
                    throw new LogicException(__METHOD__ . ' needs a valid URL');
                }

                if (is_array($value_info)) {
                    $scheme_ok = ($value_info['scheme'] ?? 'http') === ($base_url_info['scheme'] ?? 'http');
                    $host_ok   = ($value_info['host'] ?? '') === ($base_url_info['host'] ?? '');
                    $port_ok   = ($value_info['port'] ?? '') === ($base_url_info['port'] ?? '');
                    $user_ok   = ($value_info['user'] ?? '') === ($base_url_info['user'] ?? '');
                    $path_ok   = str_starts_with($value_info['path'] ?? '/', $base_url_info['path'] ?? '/');

                    if ($scheme_ok && $host_ok && $port_ok && $user_ok && $path_ok) {
                        return $value;
                    }
                }
            }

            return null;
        };

        return $this;
    }

    /**
     * @return $this
     */
    public function isTag(): self
    {
        $this->rules[] = static function (?string $value): ?string {
            if ($value !== null && preg_match('/^' . Gedcom::REGEX_TAG . '$/', $value) === 1) {
                return $value;
            }

            return null;
        };

        return $this;
    }

    /**
     * @return $this
     */
    public function isXref(): self
    {
        $this->rules[] = static function (?string $value): ?string {
            if ($value !== null && preg_match('/^' . Gedcom::REGEX_XREF . '$/', $value) === 1) {
                return $value;
            }

            return null;
        };

        return $this;
    }

    /**
     * @param string    $parameter
     * @param bool|null $default
     *
     * @return bool
     */
    public function boolean(string $parameter, bool $default = null): bool
    {
        $value = $this->parameters[$parameter] ?? null;

        if (in_array($value, ['1', true], true)) {
            return true;
        }

        if (in_array($value, ['0', '', false], true)) {
            return false;
        }

        if ($default === null) {
            throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
        }

        return $default;
    }

    /**
     * @param string $parameter
     *
     * @return array<string>
     */
    public function array(string $parameter): array
    {
        $value = $this->parameters[$parameter] ?? null;

        if (!is_array($value) && $value !== null) {
            throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
        }

        $callback = static fn (?array $value, Closure $rule): ?array => $rule($value);

        $value = array_reduce($this->rules, $callback, $value);
        $value ??= [];

        $check_utf8 = static function ($v, $k) use ($parameter) {
            if (is_string($k) && !preg_match('//u', $k) || is_string($v) && !preg_match('//u', $v)) {
                throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
            }
        };

        array_walk_recursive($value, $check_utf8);

        return $value;
    }

    /**
     * @param string   $parameter
     * @param int|null $default
     *
     * @return int
     */
    public function integer(string $parameter, int $default = null): int
    {
        $value = $this->parameters[$parameter] ?? null;

        if (is_string($value) && ctype_digit($value)) {
            $value = (int) $value;
        } elseif (!is_int($value)) {
            $value = null;
        }

        $callback = static fn (?int $value, Closure $rule): ?int => $rule($value);

        $value = array_reduce($this->rules, $callback, $value);

        $value ??= $default;

        if ($value === null) {
            throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
        }

        return $value;
    }

    /**
     * @param string $parameter
     *
     * @return Route
     */
    public function route(string $parameter = 'route'): Route
    {
        $value = $this->parameters[$parameter] ?? null;

        if ($value instanceof Route) {
            return $value;
        }

        throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
    }

    /**
     * @param string      $parameter
     * @param string|null $default
     *
     * @return string
     */
    public function string(string $parameter, string $default = null): string
    {
        $value = $this->parameters[$parameter] ?? null;

        if (!is_string($value)) {
            $value = null;
        }

        $callback = static fn (?string $value, Closure $rule): ?string => $rule($value);

        $value =  array_reduce($this->rules, $callback, $value);
        $value ??= $default;

        if ($value === null || preg_match('//u', $value) !== 1) {
            throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
        }

        return $value;
    }

    /**
     * @param string $parameter
     *
     * @return Tree
     */
    public function tree(string $parameter = 'tree'): Tree
    {
        $value = $this->parameters[$parameter] ?? null;

        if ($value instanceof Tree) {
            return $value;
        }

        throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
    }

    /**
     * @param string $parameter
     *
     * @return Tree|null
     */
    public function treeOptional(string $parameter = 'tree'): ?Tree
    {
        $value = $this->parameters[$parameter] ?? null;

        if ($value === null || $value instanceof Tree) {
            return $value;
        }

        throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
    }

    /**
     * @param string $parameter
     *
     * @return UserInterface
     */
    public function user(string $parameter = 'user'): UserInterface
    {
        $value = $this->parameters[$parameter] ?? null;

        if ($value instanceof UserInterface) {
            return $value;
        }

        throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
    }
}


1			<?php
2
3			/**
4			* webtrees: online genealogy
5			* Copyright (C) 2021 webtrees development team
6			* This program is free software: you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation, either version 3 of the License, or
9			* (at your option) any later version.
10			* This program is distributed in the hope that it will be useful,
11			* but WITHOUT ANY WARRANTY; without even the implied warranty of
12			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			* GNU General Public License for more details.
14			* You should have received a copy of the GNU General Public License
15			* along with this program. If not, see <https://www.gnu.org/licenses/>.
16			*/
17
18			declare(strict_types=1);
19
20			namespace Fisharebest\Webtrees;
21
22			use Aura\Router\Route;
23			use Closure;
24			use Fisharebest\Webtrees\Contracts\UserInterface;
25			use Fisharebest\Webtrees\Http\Exceptions\HttpBadRequestException;
26			use LogicException;
27			use Psr\Http\Message\ServerRequestInterface;
28
29			use function array_reduce;
30			use function ctype_digit;
31			use function is_array;
32			use function is_int;
33			use function is_string;
34			use function parse_url;
35			use function preg_match;
36			use function str_starts_with;
37
38			/**
39			* Validate a parameter from an HTTP request
40			*/
41			class Validator
42			{
43			/** @var array<int\|string\|Tree\|UserInterface\|array<int\|string>> */
44			private array $parameters;
45
46			/** @var array<Closure> */
47			private array $rules = [];
48
49			/**
50			* @param array<int\|string\|Tree\|UserInterface\|array<int\|string>> $parameters
51			*/
52			public function __construct(array $parameters)
53			{
54			$this->parameters = $parameters;
55			}
56
57			/**
58			* @param ServerRequestInterface $request
59			*
60			* @return self
61			*/
62			public static function attributes(ServerRequestInterface $request): self
63			{
64			return new self($request->getAttributes());
65			}
66
67			/**
68			* @param ServerRequestInterface $request
69			*
70			* @return self
71			*/
72			public static function parsedBody(ServerRequestInterface $request): self
73			{
74			return new self((array) $request->getParsedBody());
75			}
76
77			/**
78			* @param ServerRequestInterface $request
79			*
80			* @return self
81			*/
82			public static function queryParams(ServerRequestInterface $request): self
83			{
84			return new self($request->getQueryParams());
85			}
86
87			/**
88			* @param ServerRequestInterface $request
89			*
90			* @return self
91			*/
92			public static function serverParams(ServerRequestInterface $request): self
93			{
94			return new self($request->getServerParams());
95			}
96
97			/**
98			* @param int $minimum
99			* @param int $maximum
100			*
101			* @return self
102			*/
103			public function isBetween(int $minimum, int $maximum): self
104			{
105			$this->rules[] = static function (?int $value) use ($minimum, $maximum): ?int {
106			if (is_int($value) && $value >= $minimum && $value <= $maximum) {
107			return $value;
108			}
109
110			return null;
111			};
112
113			return $this;
114			}
115
116			/**
117			* @param array<string> $values
118			*
119			* @return $this
120			*/
121			public function isInArray(array $values): self
122			{
123			$this->rules[] = static fn (?string $value): ?string => $value !== null && in_array($value, $values, true) ? $value : null;
124
125			return $this;
126			}
127
128			/**
129			* @param array<string> $values
130			*
131			* @return $this
132			*/
133			public function isInArrayKeys(array $values): self
134			{
135			return $this->isInArray(array_keys($values));
136			}
137
138			/**
139			* @return $this
140			*/
141			public function isNotEmpty(): self
142			{
143			$this->rules[] = static fn (?string $value): ?string => $value !== null && $value !== '' ? $value : null;
144
145			return $this;
146			}
147
148			/**
149			* @param string $base_url
150			*
151			* @return $this
152			*/
153			public function isLocalUrl(string $base_url): self
154			{
155			$this->rules[] = static function (?string $value) use ($base_url): ?string {
156			if ($value !== null) {
157			$value_info = parse_url($value);
158			$base_url_info = parse_url($base_url);
159
160			if (!is_array($base_url_info)) {
161			throw new LogicException(__METHOD__ . ' needs a valid URL');
162			}
163
164			if (is_array($value_info)) {
165			$scheme_ok = ($value_info['scheme'] ?? 'http') === ($base_url_info['scheme'] ?? 'http');
166			$host_ok = ($value_info['host'] ?? '') === ($base_url_info['host'] ?? '');
167			$port_ok = ($value_info['port'] ?? '') === ($base_url_info['port'] ?? '');
168			$user_ok = ($value_info['user'] ?? '') === ($base_url_info['user'] ?? '');
169			$path_ok = str_starts_with($value_info['path'] ?? '/', $base_url_info['path'] ?? '/');
170
171			if ($scheme_ok && $host_ok && $port_ok && $user_ok && $path_ok) {
172			return $value;
173			}
174			}
175			}
176
177			return null;
178			};
179
180			return $this;
181			}
182
183			/**
184			* @return $this
185			*/
186			public function isTag(): self
187			{
188			$this->rules[] = static function (?string $value): ?string {
189			if ($value !== null && preg_match('/^' . Gedcom::REGEX_TAG . '$/', $value) === 1) {
190			return $value;
191			}
192
193			return null;
194			};
195
196			return $this;
197			}
198
199			/**
200			* @return $this
201			*/
202			public function isXref(): self
203			{
204			$this->rules[] = static function (?string $value): ?string {
205			if ($value !== null && preg_match('/^' . Gedcom::REGEX_XREF . '$/', $value) === 1) {
206			return $value;
207			}
208
209			return null;
210			};
211
212			return $this;
213			}
214
215			/**
216			* @param string $parameter
217			* @param bool\|null $default
218			*
219			* @return bool
220			*/
221			public function boolean(string $parameter, bool $default = null): bool
222			{
223			$value = $this->parameters[$parameter] ?? null;
224
225			if (in_array($value, ['1', true], true)) {
226			return true;
227			}
228
229			if (in_array($value, ['0', '', false], true)) {
230			return false;
231			}
232
233			if ($default === null) {
234			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
235			}
236
237			return $default;
238			}
239
240			/**
241			* @param string $parameter
242			*
243			* @return array<string>
244			*/
245			public function array(string $parameter): array
246			{
247			$value = $this->parameters[$parameter] ?? null;
248
249			if (!is_array($value) && $value !== null) {
250			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
251			}
252
253			$callback = static fn (?array $value, Closure $rule): ?array => $rule($value);
254
255			$value = array_reduce($this->rules, $callback, $value);
256			$value ??= [];
257
258			$check_utf8 = static function ($v, $k) use ($parameter) {
259			if (is_string($k) && !preg_match('//u', $k) \|\| is_string($v) && !preg_match('//u', $v)) {
260			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
261			}
262			};
263
264			array_walk_recursive($value, $check_utf8);
265
266			return $value;
267			}
268
269			/**
270			* @param string $parameter
271			* @param int\|null $default
272			*
273			* @return int
274			*/
275			public function integer(string $parameter, int $default = null): int
276			{
277			$value = $this->parameters[$parameter] ?? null;
278
279			if (is_string($value) && ctype_digit($value)) {
280			$value = (int) $value;
281			} elseif (!is_int($value)) {
282			$value = null;
283			}
284
285			$callback = static fn (?int $value, Closure $rule): ?int => $rule($value);
286
287			$value = array_reduce($this->rules, $callback, $value);
288
289			$value ??= $default;
290
291			if ($value === null) {
292			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
293			}
294
295			return $value;
296			}
297
298			/**
299			* @param string $parameter
300			*
301			* @return Route
302			*/
303			public function route(string $parameter = 'route'): Route
304			{
305			$value = $this->parameters[$parameter] ?? null;
306
307			if ($value instanceof Route) {
308			return $value;
309			}
310
311			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
312			}
313
314			/**
315			* @param string $parameter
316			* @param string\|null $default
317			*
318			* @return string
319			*/
320			public function string(string $parameter, string $default = null): string
321			{
322			$value = $this->parameters[$parameter] ?? null;
323
324			if (!is_string($value)) {
325			$value = null;
326			}
327
328			$callback = static fn (?string $value, Closure $rule): ?string => $rule($value);
329
330			$value = array_reduce($this->rules, $callback, $value);
331			$value ??= $default;
332
333			if ($value === null \|\| preg_match('//u', $value) !== 1) {
334			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
335			}
336
337			return $value;
338			}
339
340			/**
341			* @param string $parameter
342			*
343			* @return Tree
344			*/
345			public function tree(string $parameter = 'tree'): Tree
346			{
347			$value = $this->parameters[$parameter] ?? null;
348
349			if ($value instanceof Tree) {
350			return $value;
351			}
352
353			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
354			}
355
356			/**
357			* @param string $parameter
358			*
359			* @return Tree\|null
360			*/
361			public function treeOptional(string $parameter = 'tree'): ?Tree
362			{
363			$value = $this->parameters[$parameter] ?? null;
364
365			if ($value === null \|\| $value instanceof Tree) {
366			return $value;
367			}
368
369			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
370			}
371
372			/**
373			* @param string $parameter
374			*
375			* @return UserInterface
376			*/
377			public function user(string $parameter = 'user'): UserInterface
378			{
379			$value = $this->parameters[$parameter] ?? null;
380
381			if ($value instanceof UserInterface) {
382			return $value;
383			}
384
385			throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
386			}
387			}
388

fisharebest / webtrees

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