Remove dependency on PicoFeed

1 files changed, 0 insertions, 402 deletions

diff --git a/vendor/miniflux/picofeed/lib/PicoFeed/Client/Curl.php b/vendor/miniflux/picofeed/lib/PicoFeed/Client/Curl.php
deleted file mode 100644
index f4a65782..00000000
--- a/vendor/miniflux/picofeed/lib/PicoFeed/Client/Curl.php
+++ /dev/null
@@ -1,402 +0,0 @@
-<?php
-
-namespace PicoFeed\Client;
-
-use PicoFeed\Logging\Logger;
-
-/**
- * cURL HTTP client.
- *
- * @author  Frederic Guillot
- */
-class Curl extends Client
-{
-    protected $nbRedirects = 0;
-
-    /**
-     * HTTP response body.
-     *
-     * @var string
-     */
-    private $body = '';
-
-    /**
-     * Body size.
-     *
-     * @var int
-     */
-    private $body_length = 0;
-
-    /**
-     * HTTP response headers.
-     *
-     * @var array
-     */
-    private $response_headers = array();
-
-    /**
-     * Counter on the number of header received.
-     *
-     * @var int
-     */
-    private $response_headers_count = 0;
-
-    /**
-     * cURL callback to read the HTTP body.
-     *
-     * If the function return -1, curl stop to read the HTTP response
-     *
-     * @param resource $ch     cURL handler
-     * @param string   $buffer Chunk of data
-     *
-     * @return int Length of the buffer
-     */
-    public function readBody($ch, $buffer)
-    {
-        $length = strlen($buffer);
-        $this->body_length += $length;
-
-        if ($this->body_length > $this->max_body_size) {
-            return -1;
-        }
-
-        $this->body .= $buffer;
-
-        return $length;
-    }
-
-    /**
-     * cURL callback to read HTTP headers.
-     *
-     * @param resource $ch     cURL handler
-     * @param string   $buffer Header line
-     *
-     * @return int Length of the buffer
-     */
-    public function readHeaders($ch, $buffer)
-    {
-        $length = strlen($buffer);
-
-        if ($buffer === "\r\n" || $buffer === "\n") {
-            ++$this->response_headers_count;
-        } else {
-            if (!isset($this->response_headers[$this->response_headers_count])) {
-                $this->response_headers[$this->response_headers_count] = '';
-            }
-
-            $this->response_headers[$this->response_headers_count] .= $buffer;
-        }
-
-        return $length;
-    }
-
-    /**
-     * cURL callback to passthrough the HTTP body to the client.
-     *
-     * If the function return -1, curl stop to read the HTTP response
-     *
-     * @param resource $ch     cURL handler
-     * @param string   $buffer Chunk of data
-     *
-     * @return int Length of the buffer
-     */
-    public function passthroughBody($ch, $buffer)
-    {
-        // do it only at the beginning of a transmission
-        if ($this->body_length === 0) {
-            list($status, $headers) = HttpHeaders::parse(explode("\n", $this->response_headers[$this->response_headers_count - 1]));
-
-            if ($this->isRedirection($status)) {
-                return $this->handleRedirection($headers['Location']);
-            }
-
-            // Do not work with PHP-FPM
-            if (strpos(PHP_SAPI, 'cgi') !== false) {
-                header(':', true, $status);
-            }
-
-            if (isset($headers['Content-Type'])) {
-                header('Content-Type:' .$headers['Content-Type']);
-            }
-        }
-
-        $length = strlen($buffer);
-        $this->body_length += $length;
-
-        echo $buffer;
-
-        return $length;
-    }
-
-    /**
-     * Prepare HTTP headers.
-     *
-     * @return string[]
-     */
-    private function prepareHeaders()
-    {
-        $headers = array(
-            'Connection: close',
-        );
-
-        if ($this->etag) {
-            $headers[] = 'If-None-Match: '.$this->etag;
-            $headers[] = 'A-IM: feed';
-        }
-
-        if ($this->last_modified) {
-            $headers[] = 'If-Modified-Since: '.$this->last_modified;
-        }
-
-        $headers = array_merge($headers, $this->request_headers);
-
-        return $headers;
-    }
-
-    /**
-     * Prepare curl proxy context.
-     *
-     * @param resource $ch
-     *
-     * @return resource $ch
-     */
-    private function prepareProxyContext($ch)
-    {
-        if ($this->proxy_hostname) {
-            Logger::setMessage(get_called_class().' Proxy: '.$this->proxy_hostname.':'.$this->proxy_port);
-
-            curl_setopt($ch, CURLOPT_PROXYPORT, $this->proxy_port);
-            curl_setopt($ch, CURLOPT_PROXYTYPE, 'HTTP');
-            curl_setopt($ch, CURLOPT_PROXY, $this->proxy_hostname);
-
-            if ($this->proxy_username) {
-                Logger::setMessage(get_called_class().' Proxy credentials: Yes');
-                curl_setopt($ch, CURLOPT_PROXYUSERPWD, $this->proxy_username.':'.$this->proxy_password);
-            } else {
-                Logger::setMessage(get_called_class().' Proxy credentials: No');
-            }
-        }
-
-        return $ch;
-    }
-
-    /**
-     * Prepare curl auth context.
-     *
-     * @param resource $ch
-     *
-     * @return resource $ch
-     */
-    private function prepareAuthContext($ch)
-    {
-        if ($this->username && $this->password) {
-            curl_setopt($ch, CURLOPT_USERPWD, $this->username.':'.$this->password);
-        }
-
-        return $ch;
-    }
-
-    /**
-     * Set write/header functions.
-     *
-     * @param resource $ch
-     *
-     * @return resource $ch
-     */
-    private function prepareDownloadMode($ch)
-    {
-        $this->body = '';
-        $this->response_headers = array();
-        $this->response_headers_count = 0;
-        $write_function = 'readBody';
-        $header_function = 'readHeaders';
-
-        if ($this->isPassthroughEnabled()) {
-            $write_function = 'passthroughBody';
-        }
-
-        curl_setopt($ch, CURLOPT_WRITEFUNCTION, array($this, $write_function));
-        curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, $header_function));
-
-        return $ch;
-    }
-
-    /**
-     * Prepare curl context.
-     *
-     * @return resource
-     */
-    private function prepareContext()
-    {
-        $ch = curl_init();
-
-        curl_setopt($ch, CURLOPT_URL, $this->url);
-        curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
-        curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
-        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->timeout);
-        curl_setopt($ch, CURLOPT_USERAGENT, $this->user_agent);
-        curl_setopt($ch, CURLOPT_HTTPHEADER, $this->prepareHeaders());
-        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
-        curl_setopt($ch, CURLOPT_ENCODING, '');
-        curl_setopt($ch, CURLOPT_COOKIEJAR, 'php://memory');
-        curl_setopt($ch, CURLOPT_COOKIEFILE, 'php://memory');
-
-        // Disable SSLv3 by enforcing TLSv1.x for curl >= 7.34.0 and < 7.39.0.
-        // Versions prior to 7.34 and at least when compiled against openssl
-        // interpret this parameter as "limit to TLSv1.0" which fails for sites
-        // which enforce TLS 1.1+.
-        // Starting with curl 7.39.0 SSLv3 is disabled by default.
-        $version = curl_version();
-        if ($version['version_number'] >= 467456 && $version['version_number'] < 468736) {
-            curl_setopt($ch, CURLOPT_SSLVERSION, 1);
-        }
-
-        $ch = $this->prepareDownloadMode($ch);
-        $ch = $this->prepareProxyContext($ch);
-        $ch = $this->prepareAuthContext($ch);
-
-        return $ch;
-    }
-
-    /**
-     * Execute curl context.
-     */
-    private function executeContext()
-    {
-        $ch = $this->prepareContext();
-        curl_exec($ch);
-
-        Logger::setMessage(get_called_class().' cURL total time: '.curl_getinfo($ch, CURLINFO_TOTAL_TIME));
-        Logger::setMessage(get_called_class().' cURL dns lookup time: '.curl_getinfo($ch, CURLINFO_NAMELOOKUP_TIME));
-        Logger::setMessage(get_called_class().' cURL connect time: '.curl_getinfo($ch, CURLINFO_CONNECT_TIME));
-        Logger::setMessage(get_called_class().' cURL speed download: '.curl_getinfo($ch, CURLINFO_SPEED_DOWNLOAD));
-        Logger::setMessage(get_called_class().' cURL effective url: '.curl_getinfo($ch, CURLINFO_EFFECTIVE_URL));
-
-        $curl_errno = curl_errno($ch);
-
-        if ($curl_errno) {
-            Logger::setMessage(get_called_class().' cURL error: '.curl_error($ch));
-            curl_close($ch);
-
-            $this->handleError($curl_errno);
-        }
-
-        // Update the url if there where redirects
-        $this->url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
-
-        curl_close($ch);
-    }
-
-    /**
-     * Do the HTTP request.
-     *
-     * @return array HTTP response ['body' => ..., 'status' => ..., 'headers' => ...]
-     */
-    public function doRequest()
-    {
-        $this->executeContext();
-
-        list($status, $headers) = HttpHeaders::parse(explode("\n", $this->response_headers[$this->response_headers_count - 1]));
-
-        if ($this->isRedirection($status)) {
-            if (empty($headers['Location'])) {
-                $status = 200;
-            } else {
-                return $this->handleRedirection($headers['Location']);
-            }
-        }
-
-        return array(
-            'status' => $status,
-            'body' => $this->body,
-            'headers' => $headers,
-        );
-    }
-
-    /**
-     * Handle HTTP redirects
-     *
-     * @param string $location Redirected URL
-     * @return array
-     * @throws MaxRedirectException
-     */
-    private function handleRedirection($location)
-    {
-        $result = array();
-        $this->url = Url::resolve($location, $this->url);
-        $this->body = '';
-        $this->body_length = 0;
-        $this->response_headers = array();
-        $this->response_headers_count = 0;
-
-        while (true) {
-            $this->nbRedirects++;
-
-            if ($this->nbRedirects >= $this->max_redirects) {
-                throw new MaxRedirectException('Maximum number of redirections reached');
-            }
-
-            $result = $this->doRequest();
-
-            if ($this->isRedirection($result['status'])) {
-                $this->url = Url::resolve($result['headers']['Location'], $this->url);
-                $this->body = '';
-                $this->body_length = 0;
-                $this->response_headers = array();
-                $this->response_headers_count = 0;
-            } else {
-                break;
-            }
-        }
-
-        return $result;
-    }
-
-    /**
-     * Handle cURL errors (throw individual exceptions).
-     *
-     * We don't use constants because they are not necessary always available
-     * (depends of the version of libcurl linked to php)
-     *
-     * @see    http://curl.haxx.se/libcurl/c/libcurl-errors.html
-     *
-     * @param int $errno cURL error code
-     * @throws InvalidCertificateException
-     * @throws InvalidUrlException
-     * @throws MaxRedirectException
-     * @throws MaxSizeException
-     * @throws TimeoutException
-     */
-    private function handleError($errno)
-    {
-        switch ($errno) {
-            case 78: // CURLE_REMOTE_FILE_NOT_FOUND
-                throw new InvalidUrlException('Resource not found', $errno);
-            case 6:  // CURLE_COULDNT_RESOLVE_HOST
-                throw new InvalidUrlException('Unable to resolve hostname', $errno);
-            case 7:  // CURLE_COULDNT_CONNECT
-                throw new InvalidUrlException('Unable to connect to the remote host', $errno);
-            case 23: // CURLE_WRITE_ERROR
-                throw new MaxSizeException('Maximum response size exceeded', $errno);
-            case 28: // CURLE_OPERATION_TIMEDOUT
-                throw new TimeoutException('Operation timeout', $errno);
-            case 35: // CURLE_SSL_CONNECT_ERROR
-            case 51: // CURLE_PEER_FAILED_VERIFICATION
-            case 58: // CURLE_SSL_CERTPROBLEM
-            case 60: // CURLE_SSL_CACERT
-            case 59: // CURLE_SSL_CIPHER
-            case 64: // CURLE_USE_SSL_FAILED
-            case 66: // CURLE_SSL_ENGINE_INITFAILED
-            case 77: // CURLE_SSL_CACERT_BADFILE
-            case 83: // CURLE_SSL_ISSUER_ERROR
-                $msg = 'Invalid SSL certificate caused by CURL error number ' . $errno;
-                throw new InvalidCertificateException($msg, $errno);
-            case 47: // CURLE_TOO_MANY_REDIRECTS
-                throw new MaxRedirectException('Maximum number of redirections reached', $errno);
-            case 63: // CURLE_FILESIZE_EXCEEDED
-                throw new MaxSizeException('Maximum response size exceeded', $errno);
-            default:
-                throw new InvalidUrlException('Unable to fetch the URL', $errno);
-        }
-    }
-}