CurlBrowser::getResponseHeaders() - Code Metrics - Inspection of "CurlBrowser.setPostData check type" - webservco/framework - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 996151...ffa7be )

by Radu

created 2018-10-29 17:14 UTC

CurlBrowser::getResponseHeaders() A

↳ Parent: CurlBrowser

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

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

<?php
namespace WebServCo\Framework;

use WebServCo\Framework\Http;
use WebServCo\Framework\Exceptions\ApplicationException;

final class CurlBrowser implements
    \WebServCo\Framework\Interfaces\HttpBrowserInterface
{
    protected $debug;
    protected $skipSslVerification;
    protected $requestHeaders;

    protected $method;
    protected $postData;

    protected $curl;
    protected $debugStderr;
    protected $debugOutput;
    protected $debugInfo;
    protected $response;
    protected $responseHeaders;

    protected $logger;

    protected $curlError;

    public function __construct(\WebServCo\Framework\Interfaces\LoggerInterface $logger)
    {
        $this->logger = $logger;
        $this->debug = false;
        $this->skipSslVerification = false;
        $this->requestHeaders = [];
    }

    public function setDebug(bool $debug)
    {
        $this->debug = $debug;
    }

    public function setSkipSSlVerification(bool $skipSslVerification)
    {
        $this->skipSslVerification = $skipSslVerification;
    }

    public function setRequestHeader($name, $value)
    {
        $this->requestHeaders[$name] = $value;
    }

    public function getRequestHeaders()
    {
        return $this->requestHeaders;
    }

    public function getResponseHeaders()
    {
        return $this->responseHeaders;
    }

    public function get($url)
    {
        $this->setMethod(Http::METHOD_GET);
        return $this->retrieve($url);
    }

    public function head($url)
    {
        $this->setMethod(Http::METHOD_HEAD);
        return $this->retrieve($url);
    }

    public function post($url, $postData = [])
    {
        $this->setMethod(Http::METHOD_POST);
        $this->setPostData($postData);
        return $this->retrieve($url);
    }

    protected function setMethod($method)
    {
        if (!in_array($method, Http::getMethods())) {
            throw new ApplicationException('Unsupported method');
        }
        $this->method = $method;
        return true;
    }

    protected function setPostData(array $postData)
    {
        foreach ($postData as $key => $value) {
            if (is_array($value)) {
                throw new \InvalidArgumentException('POST value can not be an array');
            }
            $this->postData[$key] = $value;
        }
    }

    protected function debugInit()
    {
        if ($this->debug) {
            ob_start();
            $this->debugStderr = fopen('php://output', 'w');
            return true;
        }
        return false;
    }

    protected function debugDo()
    {
        if ($this->debug) {
            //curl_setopt($this->curl, CURLINFO_HEADER_OUT, 1); /* verbose not working if this is enabled */
            curl_setopt($this->curl, CURLOPT_VERBOSE, 1);
            curl_setopt($this->curl, CURLOPT_STDERR, $this->debugStderr);
            return false;
        }
        return false;
    }

    protected function debugFinish()
    {
        if ($this->debug) {
            fclose($this->debugStderr);
            $this->debugOutput = ob_get_clean();

            $this->logger->debug('CURL INFO:', $this->debugInfo);
            $this->logger->debug('CURL VERBOSE:', $this->debugOutput);
            $this->logger->debug('CURL RESPONSE:', $this->response);

            return true;
        }
        return false;
    }

    protected function getHttpCode()
    {
        return isset($this->debugInfo['http_code']) ? $this->debugInfo['http_code']: false;
    }

    protected function parseRequestHeaders($headers)
    {
        $data = [];
        foreach ($headers as $k => $v) {
            if (is_array($v)) {
                foreach ($v as $item) {
                    $data[] = sprintf('%s: %s', $k, $item);
                }
            } else {
                $data[] = sprintf('%s: %s', $k, $v);
            }
        }
        return $data;
    }

    protected function parseResponseHeaders($headerString)
    {
        $headers = [];
        $lines = explode("\r\n", $headerString);
        foreach ($lines as $index => $line) {
            if (0 === $index) {
                continue; /* we'll get the status code elsewhere */
            }
            $parts = explode(': ', $line, 2);
            if (!isset($parts[1])) {
                continue; // invalid header (missing colon)
            }
            list($key, $value) = $parts;
            if (isset($headers[$key])) {
                if (!is_array($headers[$key])) {
                    $headers[$key] = [$headers[$key]];
                }
                // check cookies
                if ('Set-Cookie' == $key) {
                    $parts = explode('=', $value, 2);
                    $cookieName = $parts[0];
                    if (is_array($headers[$key])) {
                        foreach ($headers[$key] as $cookieIndex => $existingCookie) {
                            //check if we already have a cookie with the same name
                            if (0 === mb_stripos($existingCookie, $cookieName)) {
                                // remove previous cookie with the same name
                                unset($headers[$key][$cookieIndex]);
                            }
                        }
                    }
                }
                $headers[$key][] = $value;
                $headers[$key] = array_values((array) $headers[$key]); // re-index array
            } else {
                $headers[$key] = $value;
            }
        }
        return $headers;
    }

    protected function retrieve($url)
    {
        $this->debugInit();


        $this->curl = curl_init();
        if (!is_resource($this->curl)) {
            throw new ApplicationException('Not a valid resource');
        }
        curl_setopt_array(
            $this->curl,
            [
                CURLOPT_RETURNTRANSFER => true, /* return instead of outputting */
                CURLOPT_URL => $url,
                CURLOPT_HEADER => true, /* include the header in the output */
                CURLOPT_FOLLOWLOCATION => true, /* follow redirects */
                CURLOPT_CONNECTTIMEOUT => 60, // The number of seconds to wait while trying to connect.
                CURLOPT_TIMEOUT => 60, // The maximum number of seconds to allow cURL functions to execute.
            ]
        );
        if ($this->skipSslVerification) {
            // stop cURL from verifying the peer's certificate
            curl_setopt($this->curl, CURLOPT_SSL_VERIFYPEER, false);
            // don't check the existence of a common name in the SSL peer certificate
            curl_setopt($this->curl, CURLOPT_SSL_VERIFYHOST, 0);
        }
        if (!empty($this->requestHeaders)) {
            curl_setopt(
                $this->curl,
                CURLOPT_HTTPHEADER,
                $this->parseRequestHeaders($this->requestHeaders)
            );
        }

        $this->debugDo();

        switch ($this->method) {
            case Http::METHOD_POST:
                curl_setopt($this->curl, CURLOPT_POST, true);
                if (!empty($this->postData)) {
                    curl_setopt($this->curl, CURLOPT_POSTFIELDS, $this->postData);
                }
                break;
            case Http::METHOD_HEAD:
                curl_setopt($this->curl, CURLOPT_NOBODY, true);
                break;
        }

        $this->response = curl_exec($this->curl);
        $this->curlError = curl_error($this->curl);
        if (false === $this->response) {
            throw new ApplicationException(sprintf("cURL error: %s", $this->curlError));
        }

        $this->debugInfo = curl_getinfo($this->curl);

        curl_close($this->curl);

        $httpCode = $this->getHttpCode();

        if (empty($httpCode)) {
            throw new ApplicationException(sprintf("Empty HTTP status code. cURL error: %s", $this->curlError));
        }

        /**
         * For redirects, the response will contain evey header/body pair.
         * The last header/body will be at the end of the response.
         */
        $responseParts = explode("\r\n\r\n", (string) $this->response);
        $body = trim((string) array_pop($responseParts));

        $this->responseHeaders = [];
        foreach ($responseParts as $item) {
            $this->responseHeaders[] = $this->parseResponseHeaders($item);
        }

        $this->debugFinish();

        return new \WebServCo\Framework\HttpResponse(
            $body,
            $httpCode,
            end($this->responseHeaders)
        );
    }
}


1			<?php
2			namespace WebServCo\Framework;
3
4			use WebServCo\Framework\Http;
5			use WebServCo\Framework\Exceptions\ApplicationException;
6
7			final class CurlBrowser implements
8			\WebServCo\Framework\Interfaces\HttpBrowserInterface
9			{
10			protected $debug;
11			protected $skipSslVerification;
12			protected $requestHeaders;
13
14			protected $method;
15			protected $postData;
16
17			protected $curl;
18			protected $debugStderr;
19			protected $debugOutput;
20			protected $debugInfo;
21			protected $response;
22			protected $responseHeaders;
23
24			protected $logger;
25
26			protected $curlError;
27
28			public function __construct(\WebServCo\Framework\Interfaces\LoggerInterface $logger)
29			{
30			$this->logger = $logger;
31			$this->debug = false;
32			$this->skipSslVerification = false;
33			$this->requestHeaders = [];
34			}
35
36			public function setDebug(bool $debug)
37			{
38			$this->debug = $debug;
39			}
40
41			public function setSkipSSlVerification(bool $skipSslVerification)
42			{
43			$this->skipSslVerification = $skipSslVerification;
44			}
45
46			public function setRequestHeader($name, $value)
47			{
48			$this->requestHeaders[$name] = $value;
49			}
50
51			public function getRequestHeaders()
52			{
53			return $this->requestHeaders;
54			}
55
56			public function getResponseHeaders()
57			{
58			return $this->responseHeaders;
59			}
60
61			public function get($url)
62			{
63			$this->setMethod(Http::METHOD_GET);
64			return $this->retrieve($url);
65			}
66
67			public function head($url)
68			{
69			$this->setMethod(Http::METHOD_HEAD);
70			return $this->retrieve($url);
71			}
72
73			public function post($url, $postData = [])
74			{
75			$this->setMethod(Http::METHOD_POST);
76			$this->setPostData($postData);
77			return $this->retrieve($url);
78			}
79
80			protected function setMethod($method)
81			{
82			if (!in_array($method, Http::getMethods())) {
83			throw new ApplicationException('Unsupported method');
84			}
85			$this->method = $method;
86			return true;
87			}
88
89			protected function setPostData(array $postData)
90			{
91			foreach ($postData as $key => $value) {
92			if (is_array($value)) {
93			throw new \InvalidArgumentException('POST value can not be an array');
94			}
95			$this->postData[$key] = $value;
96			}
97			}
98
99			protected function debugInit()
100			{
101			if ($this->debug) {
102			ob_start();
103			$this->debugStderr = fopen('php://output', 'w');
104			return true;
105			}
106			return false;
107			}
108
109			protected function debugDo()
110			{
111			if ($this->debug) {
112			//curl_setopt($this->curl, CURLINFO_HEADER_OUT, 1); /* verbose not working if this is enabled */
113			curl_setopt($this->curl, CURLOPT_VERBOSE, 1);
114			curl_setopt($this->curl, CURLOPT_STDERR, $this->debugStderr);
115			return false;
116			}
117			return false;
118			}
119
120			protected function debugFinish()
121			{
122			if ($this->debug) {
123			fclose($this->debugStderr);
124			$this->debugOutput = ob_get_clean();
125
126			$this->logger->debug('CURL INFO:', $this->debugInfo);
127			$this->logger->debug('CURL VERBOSE:', $this->debugOutput);
128			$this->logger->debug('CURL RESPONSE:', $this->response);
129
130			return true;
131			}
132			return false;
133			}
134
135			protected function getHttpCode()
136			{
137			return isset($this->debugInfo['http_code']) ? $this->debugInfo['http_code']: false;
138			}
139
140			protected function parseRequestHeaders($headers)
141			{
142			$data = [];
143			foreach ($headers as $k => $v) {
144			if (is_array($v)) {
145			foreach ($v as $item) {
146			$data[] = sprintf('%s: %s', $k, $item);
147			}
148			} else {
149			$data[] = sprintf('%s: %s', $k, $v);
150			}
151			}
152			return $data;
153			}
154
155			protected function parseResponseHeaders($headerString)
156			{
157			$headers = [];
158			$lines = explode("\r\n", $headerString);
159			foreach ($lines as $index => $line) {
160			if (0 === $index) {
161			continue; /* we'll get the status code elsewhere */
162			}
163			$parts = explode(': ', $line, 2);
164			if (!isset($parts[1])) {
165			continue; // invalid header (missing colon)
166			}
167			list($key, $value) = $parts;
168			if (isset($headers[$key])) {
169			if (!is_array($headers[$key])) {
170			$headers[$key] = [$headers[$key]];
171			}
172			// check cookies
173			if ('Set-Cookie' == $key) {
174			$parts = explode('=', $value, 2);
175			$cookieName = $parts[0];
176			if (is_array($headers[$key])) {
177			foreach ($headers[$key] as $cookieIndex => $existingCookie) {
178			//check if we already have a cookie with the same name
179			if (0 === mb_stripos($existingCookie, $cookieName)) {
180			// remove previous cookie with the same name
181			unset($headers[$key][$cookieIndex]);
182			}
183			}
184			}
185			}
186			$headers[$key][] = $value;
187			$headers[$key] = array_values((array) $headers[$key]); // re-index array
188			} else {
189			$headers[$key] = $value;
190			}
191			}
192			return $headers;
193			}
194
195			protected function retrieve($url)
196			{
197			$this->debugInit();
198
199
200			$this->curl = curl_init();
201			if (!is_resource($this->curl)) {
202			throw new ApplicationException('Not a valid resource');
203			}
204			curl_setopt_array(
205			$this->curl,
206			[
207			CURLOPT_RETURNTRANSFER => true, /* return instead of outputting */
208			CURLOPT_URL => $url,
209			CURLOPT_HEADER => true, /* include the header in the output */
210			CURLOPT_FOLLOWLOCATION => true, /* follow redirects */
211			CURLOPT_CONNECTTIMEOUT => 60, // The number of seconds to wait while trying to connect.
212			CURLOPT_TIMEOUT => 60, // The maximum number of seconds to allow cURL functions to execute.
213			]
214			);
215			if ($this->skipSslVerification) {
216			// stop cURL from verifying the peer's certificate
217			curl_setopt($this->curl, CURLOPT_SSL_VERIFYPEER, false);
218			// don't check the existence of a common name in the SSL peer certificate
219			curl_setopt($this->curl, CURLOPT_SSL_VERIFYHOST, 0);
220			}
221			if (!empty($this->requestHeaders)) {
222			curl_setopt(
223			$this->curl,
224			CURLOPT_HTTPHEADER,
225			$this->parseRequestHeaders($this->requestHeaders)
226			);
227			}
228
229			$this->debugDo();
230
231			switch ($this->method) {
232			case Http::METHOD_POST:
233			curl_setopt($this->curl, CURLOPT_POST, true);
234			if (!empty($this->postData)) {
235			curl_setopt($this->curl, CURLOPT_POSTFIELDS, $this->postData);
236			}
237			break;
238			case Http::METHOD_HEAD:
239			curl_setopt($this->curl, CURLOPT_NOBODY, true);
240			break;
241			}
242
243			$this->response = curl_exec($this->curl);
244			$this->curlError = curl_error($this->curl);
245			if (false === $this->response) {
246			throw new ApplicationException(sprintf("cURL error: %s", $this->curlError));
247			}
248
249			$this->debugInfo = curl_getinfo($this->curl);
250
251			curl_close($this->curl);
252
253			$httpCode = $this->getHttpCode();
254
255			if (empty($httpCode)) {
256			throw new ApplicationException(sprintf("Empty HTTP status code. cURL error: %s", $this->curlError));
257			}
258
259			/**
260			* For redirects, the response will contain evey header/body pair.
261			* The last header/body will be at the end of the response.
262			*/
263			$responseParts = explode("\r\n\r\n", (string) $this->response);
264			$body = trim((string) array_pop($responseParts));
265
266			$this->responseHeaders = [];
267			foreach ($responseParts as $item) {
268			$this->responseHeaders[] = $this->parseResponseHeaders($item);
269			}
270
271			$this->debugFinish();
272
273			return new \WebServCo\Framework\HttpResponse(
274			$body,
275			$httpCode,
276			end($this->responseHeaders)
277			);
278			}
279			}
280

webservco / framework

Push — master ( 996151...ffa7be )

CurlBrowser::getResponseHeaders() A

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