form-presets
2 months ago
pa-pins-handler.php
1 month ago
pa-tiktok-handler.php
1 month ago
pa-weather-handler.php
1 month ago
urlopen.php
1 month ago
urlopen.php
298 lines
| 1 | <?php |
| 2 | |
| 3 | if ( ! function_exists( 'rplg_urlopen' ) ) { |
| 4 | |
| 5 | define( 'RPLG_USER_AGENT', 'RPLG-WPPlugin/1.0' ); |
| 6 | define( 'RPLG_SOCKET_TIMEOUT', 10 ); |
| 7 | |
| 8 | function rplg_json_decode( $data ) { |
| 9 | return json_decode( $data ); |
| 10 | } |
| 11 | |
| 12 | function rplg_json_urlopen( $url, $postdata = false, $headers = array() ) { |
| 13 | if ( ! ( $response = rplg_urlopen( $url, $postdata, $headers ) ) || ! $response['code'] ) { |
| 14 | // $this->last_error = 'COULDNT_CONNECT'; |
| 15 | return false; |
| 16 | } |
| 17 | return rplg_json_decode( $response['data'] ); |
| 18 | } |
| 19 | |
| 20 | function rplg_urlopen( $url, $postdata = false, $headers = array() ) { |
| 21 | $response = array( |
| 22 | 'data' => '', |
| 23 | 'code' => 0, |
| 24 | ); |
| 25 | |
| 26 | $url = preg_replace( '/\s+/', '+', $url ); |
| 27 | |
| 28 | if ( function_exists( 'curl_init' ) ) { |
| 29 | if ( ! function_exists( 'curl_setopt_array' ) ) { |
| 30 | function curl_setopt_array( &$ch, $curl_options ) { |
| 31 | foreach ( $curl_options as $option => $value ) { |
| 32 | if ( ! curl_setopt( $ch, $option, $value ) ) { |
| 33 | return false; |
| 34 | } |
| 35 | } |
| 36 | return true; |
| 37 | } |
| 38 | } |
| 39 | _rplg_curl_urlopen( $url, $postdata, $headers, $response ); |
| 40 | } elseif ( ini_get( 'allow_url_fopen' ) && function_exists( 'stream_get_contents' ) ) { |
| 41 | _rplg_fopen_urlopen( $url, $postdata, $headers, $response ); |
| 42 | } else { |
| 43 | _rplg_fsockopen_urlopen( $url, $postdata, $headers, $response ); |
| 44 | } |
| 45 | return $response; |
| 46 | } |
| 47 | |
| 48 | /*-------------------------------- curl --------------------------------*/ |
| 49 | function _rplg_curl_urlopen( $url, $postdata, $headers, &$response ) { |
| 50 | $c = curl_init( $url ); |
| 51 | |
| 52 | if ( ! $c ) { |
| 53 | return false; // Handle the error if curl_init fails |
| 54 | } |
| 55 | |
| 56 | $postdata_str = rplg_get_query_string( $postdata ); |
| 57 | |
| 58 | $c_options = array( |
| 59 | CURLOPT_USERAGENT => RPLG_USER_AGENT, |
| 60 | CURLOPT_RETURNTRANSFER => true, |
| 61 | CURLOPT_POST => ( $postdata_str ? 1 : 0 ), |
| 62 | CURLOPT_HEADER => true, |
| 63 | CURLOPT_HTTPHEADER => array_merge( array( 'Expect:' ), $headers ), |
| 64 | CURLOPT_TIMEOUT => RPLG_SOCKET_TIMEOUT, |
| 65 | ); |
| 66 | |
| 67 | if ( $postdata ) { |
| 68 | $c_options[ CURLOPT_POSTFIELDS ] = $postdata_str; |
| 69 | } |
| 70 | |
| 71 | curl_setopt_array( $c, $c_options ); |
| 72 | |
| 73 | $open_basedir = ini_get( 'open_basedir' ); |
| 74 | if ( empty( $open_basedir ) ) { |
| 75 | curl_setopt( $c, CURLOPT_FOLLOWLOCATION, true ); |
| 76 | } |
| 77 | |
| 78 | curl_setopt( $c, CURLOPT_SSL_VERIFYPEER, false ); |
| 79 | |
| 80 | $data = curl_exec( $c ); |
| 81 | |
| 82 | if ( $data === false ) { |
| 83 | curl_close( $c ); |
| 84 | return false; // Handle the error if curl_exec fails |
| 85 | } |
| 86 | |
| 87 | // cURL automatically handles Proxy rewrites, remove the "HTTP/1.0 200 Connection established" string |
| 88 | if ( stripos( $data, "HTTP/1.0 200 Connection established\r\n\r\n" ) !== false ) { |
| 89 | $data = str_ireplace( "HTTP/1.0 200 Connection established\r\n\r\n", '', $data ); |
| 90 | } |
| 91 | |
| 92 | $parts = explode( "\r\n\r\n", $data, 2 ); |
| 93 | |
| 94 | if ( ! isset( $parts[0] ) || empty( $parts[0] ) ) { |
| 95 | curl_close( $c ); |
| 96 | return false; |
| 97 | } |
| 98 | |
| 99 | $resp_headers = $parts[0]; |
| 100 | $response['data'] = $parts[1]; |
| 101 | |
| 102 | $response['headers'] = _rplg_get_response_headers( $resp_headers, $response ); |
| 103 | $response['code'] = curl_getinfo( $c, CURLINFO_HTTP_CODE ); |
| 104 | |
| 105 | curl_close( $c ); |
| 106 | |
| 107 | return $response; |
| 108 | } |
| 109 | |
| 110 | /*-------------------------------- fopen --------------------------------*/ |
| 111 | function _rplg_fopen_urlopen( $url, $postdata, $headers, &$response ) { |
| 112 | $params = array(); |
| 113 | |
| 114 | if ( $postdata ) { |
| 115 | $params = array( |
| 116 | 'http' => array( |
| 117 | 'method' => 'POST', |
| 118 | 'header' => implode( "\r\n", array_merge( array( 'Content-Type: application/x-www-form-urlencoded' ), $headers ) ), |
| 119 | 'content' => rplg_get_query_string( $postdata ), |
| 120 | 'timeout' => RPLG_SOCKET_TIMEOUT, |
| 121 | ), |
| 122 | ); |
| 123 | } else { |
| 124 | $params = array( |
| 125 | 'http' => array( |
| 126 | 'header' => implode( "\r\n", $headers ), |
| 127 | ), |
| 128 | ); |
| 129 | } |
| 130 | |
| 131 | ini_set( 'user_agent', RPLG_USER_AGENT ); |
| 132 | $ctx = stream_context_create( $params ); |
| 133 | $fp = fopen( $url, 'rb', false, $ctx ); |
| 134 | if ( ! $fp ) { |
| 135 | return false; } |
| 136 | |
| 137 | $response_header_array = explode( ' ', $http_response_header[0], 3 ); |
| 138 | |
| 139 | $response['code'] = isset( $response_header_array[1] ) ? $response_header_array[1] : 0; |
| 140 | |
| 141 | $resp_headers = array_slice( $http_response_header, 1 ); |
| 142 | |
| 143 | foreach ( $resp_headers as $header ) { |
| 144 | $header = explode( ':', $header, 2 ); |
| 145 | $header[0] = trim( $header[0] ); |
| 146 | if ( ! isset( $header[1] ) ) { |
| 147 | continue; |
| 148 | } |
| 149 | $header[1] = trim( $header[1] ); |
| 150 | $resp_headers[ strtolower( $header[0] ) ] = strtolower( $header[1] ); |
| 151 | } |
| 152 | $response['data'] = stream_get_contents( $fp ); |
| 153 | $response['headers'] = $resp_headers; |
| 154 | } |
| 155 | |
| 156 | /*-------------------------------- fsockpen --------------------------------*/ |
| 157 | function _rplg_fsockopen_urlopen( $url, $postdata, $headers, &$response ) { |
| 158 | $buf = ''; |
| 159 | $req = ''; |
| 160 | $length = 0; |
| 161 | |
| 162 | $postdata_str = rplg_get_query_string( $postdata ); |
| 163 | $url_pieces = parse_url( $url ); |
| 164 | |
| 165 | if ( ! isset( $url_pieces['host'] ) ) { |
| 166 | return false; // Return false if the URL is invalid |
| 167 | } |
| 168 | |
| 169 | $host = $url_pieces['host']; |
| 170 | |
| 171 | if ( ! isset( $url_pieces['port'] ) ) { |
| 172 | switch ( $url_pieces['scheme'] ) { |
| 173 | case 'http': |
| 174 | $url_pieces['port'] = 80; |
| 175 | break; |
| 176 | case 'https': |
| 177 | $url_pieces['port'] = 443; |
| 178 | $host = 'ssl://' . $url_pieces['host']; |
| 179 | break; |
| 180 | default: |
| 181 | return false; // Return false if the scheme is unsupported |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | $url_pieces['path'] = $url_pieces['path'] ?? '/'; |
| 186 | $req_host = ( $url_pieces['port'] == 80 && $url_pieces['scheme'] == 'http' ) || |
| 187 | ( $url_pieces['port'] == 443 && $url_pieces['scheme'] == 'https' ) ? |
| 188 | $url_pieces['host'] : $url_pieces['host'] . ':' . $url_pieces['port']; |
| 189 | |
| 190 | $fp = @fsockopen( $host, $url_pieces['port'], $errno, $errstr, RPLG_SOCKET_TIMEOUT ); |
| 191 | if ( ! $fp ) { |
| 192 | return false; // Handle error if fsockopen fails |
| 193 | } |
| 194 | |
| 195 | $path = $url_pieces['path'] . ( isset( $url_pieces['query'] ) ? '?' . $url_pieces['query'] : '' ); |
| 196 | $req .= ( $postdata_str ? 'POST' : 'GET' ) . " $path HTTP/1.1\r\n"; |
| 197 | $req .= "Host: $req_host\r\n"; |
| 198 | $req .= rplg_get_http_headers_for_request( $postdata_str, $headers ); |
| 199 | if ( $postdata_str ) { |
| 200 | $req .= "\r\n\r\n" . $postdata_str; |
| 201 | } |
| 202 | $req .= "\r\n\r\n"; |
| 203 | |
| 204 | fwrite( $fp, $req ); |
| 205 | |
| 206 | while ( ! feof( $fp ) ) { |
| 207 | $buf .= fgets( $fp, 4096 ); |
| 208 | } |
| 209 | fclose( $fp ); // Close the connection after reading |
| 210 | |
| 211 | $parts = explode( "\r\n\r\n", $buf, 2 ); |
| 212 | |
| 213 | if ( ! isset( $parts[1] ) ) { |
| 214 | return false; // Handle case where response body is missing |
| 215 | } |
| 216 | |
| 217 | $headers = _rplg_get_response_headers( $parts[0], $response ); |
| 218 | $response['data'] = $parts[1]; |
| 219 | |
| 220 | if ( isset( $headers['transfer-encoding'] ) && strtolower( $headers['transfer-encoding'] ) === 'chunked' ) { |
| 221 | $chunk_data = $response['data']; |
| 222 | $joined_data = ''; |
| 223 | |
| 224 | while ( true ) { |
| 225 | list( $chunk_length, $chunk_data ) = explode( "\r\n", $chunk_data, 2 ); |
| 226 | $chunk_length = hexdec( $chunk_length ); |
| 227 | if ( ! $chunk_length || ! strlen( $chunk_data ) ) { |
| 228 | break; |
| 229 | } |
| 230 | |
| 231 | $joined_data .= substr( $chunk_data, 0, $chunk_length ); |
| 232 | $chunk_data = substr( $chunk_data, $chunk_length + 2 ); // Add 2 for \r\n after chunk |
| 233 | $length += $chunk_length; |
| 234 | } |
| 235 | |
| 236 | $response['data'] = $joined_data; |
| 237 | } else { |
| 238 | $length = $headers['content-length'] ?? strlen( $response['data'] ); |
| 239 | } |
| 240 | |
| 241 | $response['headers'] = $headers; |
| 242 | return true; // Return true to indicate success |
| 243 | } |
| 244 | |
| 245 | /*-------------------------------- helpers --------------------------------*/ |
| 246 | function rplg_get_query_string( $params ) { |
| 247 | $query = ''; |
| 248 | |
| 249 | if ( $params ) { |
| 250 | foreach ( $params as $key => $value ) { |
| 251 | $query .= urlencode( $key ) . '=' . urlencode( $value ) . '&'; |
| 252 | } |
| 253 | } |
| 254 | return $query; |
| 255 | } |
| 256 | |
| 257 | function _rplg_get_response_headers( $headers, &$response ) { |
| 258 | $headers = explode( "\r\n", $headers ); |
| 259 | |
| 260 | $header_array = explode( ' ', $headers[0], 3 ); |
| 261 | |
| 262 | $response['code'] = isset( $header_array[1] ) ? $header_array[1] : 0; |
| 263 | |
| 264 | $headers = array_slice( $headers, 1 ); |
| 265 | foreach ( $headers as $header ) { |
| 266 | $header = explode( ':', $header, 2 ); |
| 267 | $header[0] = trim( $header[0] ); |
| 268 | if ( ! isset( $header[1] ) ) { |
| 269 | continue; |
| 270 | } |
| 271 | $header[1] = trim( $header[1] ); |
| 272 | $headers[ strtolower( $header[0] ) ] = $header[1]; |
| 273 | } |
| 274 | return $headers; |
| 275 | } |
| 276 | |
| 277 | function rplg_get_http_headers_for_request( $content, $headers ) { |
| 278 | $req_headers = array(); |
| 279 | $req_headers[] = 'User-Agent: ' . RPLG_USER_AGENT; |
| 280 | $req_headers[] = 'Connection: close'; |
| 281 | if ( $content ) { |
| 282 | $req_headers[] = 'Content-Length: ' . strlen( $content ); |
| 283 | $req_headers[] = 'Content-Type: application/x-www-form-urlencoded'; |
| 284 | } |
| 285 | return implode( "\r\n", array_merge( $req_headers, $headers ) ); |
| 286 | } |
| 287 | |
| 288 | function rplg_url_method() { |
| 289 | if ( function_exists( 'curl_init' ) ) { |
| 290 | return 'curl'; |
| 291 | } elseif ( ini_get( 'allow_url_fopen' ) && function_exists( 'stream_get_contents' ) ) { |
| 292 | return 'fopen'; |
| 293 | } else { |
| 294 | return 'fsockopen'; |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 |