140 lines
3.3 KiB
PHP
Executable File
140 lines
3.3 KiB
PHP
Executable File
<?php
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require_once __DIR__.'/../../include/php/const';
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function api_request(){
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/* [1] Fetch & generate useful data
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=========================================================*/
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/* (1) Fetch target url */
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$url = @file_get_contents(URL_CONF);
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if( $url === false ){
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slog("Cannot find server's api url", 'api:sync','update');
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return 127;
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}
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/* (2) Fetch cyclic hash */
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$hash = syscall(SOURCE_DIR.'/lib/cyclic-hash/hash');
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if( strlen($hash) != 128 ){
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slog("Wrong cyclic-hash:hash hash length (".strlen($hash).")", 'api:sync','update');
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return 127;
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}
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/* (3) Try new hash if available */
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$new = syscall(SOURCE_DIR.'/lib/cyclic-hash/new');
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if( $new === false ){
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slog("cyclic-hash:new returned $new EXIT_STATUS", 'api:sync','update');
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return 127;
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}
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/* (4) Generate the multipart boundary */
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$boundary = 'boundary--'.hash('sha512', uniqid()).'--boundary';
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/* (5) Fetch data */
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$data = json_decode(syscall(SOURCE_DIR.'/lib/api/fetch'));
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if( is_null($data) ){
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slog("api:fetch returned unreadable content", 'api:sync','update');
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$data = [];
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}
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/* [2] Create httpRequest basis
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=========================================================*/
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/* (1) Set URL */
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_URL, $url);
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/* (2) Set HTTP method -> POST */
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curl_setopt($curl, CURLOPT_POST, true);
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/* [3] Manage post data
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=========================================================*/
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/* (1) Set post data */
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$postarray = [
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'token' => $hash,
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'data' => json_encode($data)
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];
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/* (2) Add renew if renew */
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if( strlen($new) == 128 )
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$postarray['renew'] = $new;
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/* (3) Parse postfiels to multipart format */
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$postraw = "--$boundary";
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foreach($postarray as $postkey=>$postvalue)
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$postraw .= "\r\nContent-Disposition: form-data; name=\"$postkey\"\r\n\r\n$postvalue\r\n--$boundary";
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$postraw .= "--";
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/* (4) Set postdata raw to curl */
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curl_setopt($curl, CURLOPT_POSTFIELDS, $postraw);
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/* [4] Manage headers
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=========================================================*/
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curl_setopt($curl, CURLOPT_HTTPHEADER, [
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"Content-Type: multipart/form-data; boundary=$boundary"
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]);
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/* [5] Send and catch request response
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=========================================================*/
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/* (1) Send and catch response */
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
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$response = curl_exec($curl);
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/* (2) Close request */
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curl_close($curl);
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/* (3) Return response as result */
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if( $response === false ){
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slog("Request error", 'api:sync','update');
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return 127;
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}
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/* [6] Decrement cyclic-hash so request has ran successfully
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=========================================================*/
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/* (1) Decrement the hash */
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$decr = syscall(SOURCE_DIR.'/lib/cyclic-hash/decr');
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if( $decr === false ){
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slog("cyclic-hash:decr returned $decr EXIT_STATUS", 'api:sync','update');
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return 127;
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}
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/* [6] Response management
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=========================================================*/
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/* (1) Writes request to temporary pipe */
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file_put_contents(TMP_DIR.'/api.response', $response);
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/* (2) Manage response deployement */
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$deploy = syscall(SOURCE_DIR.'/lib/api/deploy');
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/* (3) Return state */
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return ($deploy === true);
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}
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echo api_request();
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?>
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