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(PHP Extension) Trello OAuth1 AuthorizationDemonstrates OAuth1 authentication for Trello.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $consumerKey = 'TRELLO_CONSUMER_KEY'; $consumerSecret = 'TRELLO_CONSUMER_SECRET'; $requestTokenUrl = 'https://trello.com/1/OAuthGetRequestToken'; $authorizeUrl = 'https://trello.com/1/OAuthAuthorizeToken'; $accessTokenUrl = 'https://trello.com/1/OAuthGetAccessToken'; // The port number is picked at random. It's some unused port that won't likely conflict with anything else.. $callbackUrl = 'http://localhost:3017/'; $callbackLocalPort = 3017; // The 1st step in 3-legged OAuth1.0a is to send a POST to the request token URL to obtain an OAuth Request Token $http = new CkHttp(); $http->put_OAuth1(true); $http->put_OAuthConsumerKey($consumerKey); $http->put_OAuthConsumerSecret($consumerSecret); $http->put_OAuthCallback($callbackUrl); $req = new CkHttpRequest(); // resp is a CkHttpResponse $resp = $http->PostUrlEncoded($requestTokenUrl,$req); if ($http->get_LastMethodSuccess() != true) { print $http->lastErrorText() . "\n"; exit; } // If successful, the resp.BodyStr contains something like this: // oauth_token=c173ff088a09a67389a42b1ee22366a4&oauth_token_secret=717e6015c6749fe050a923516e739dbb&oauth_callback_confirmed=true print $resp->bodyStr() . "\n"; $hashTab = new CkHashtable(); $hashTab->AddQueryParams($resp->bodyStr()); $requestToken = $hashTab->lookupStr('oauth_token'); $requestTokenSecret = $hashTab->lookupStr('oauth_token_secret'); $http->put_OAuthTokenSecret($requestTokenSecret); print 'oauth_token = ' . $requestToken . "\n"; print 'oauth_token_secret = ' . $requestTokenSecret . "\n"; // --------------------------------------------------------------------------- // The next step is to form a URL to send to the authorizeUrl // This is an HTTP GET that we load into a popup browser. $sbUrlForBrowser = new CkStringBuilder(); $sbUrlForBrowser->Append($authorizeUrl); $sbUrlForBrowser->Append('?oauth_token='); $sbUrlForBrowser->Append($requestToken); $sbUrlForBrowser->Append('&scope=read,write,account'); $url = $sbUrlForBrowser->getAsString(); print 'url = ' . $url . "\n"; // When the urlForBrowser is loaded into a browser, the response from Trello will redirect back to localhost:3017 // We'll need to start a socket that is listening on port 3017 for the callback from the browser. $listenSock = new CkSocket(); $backLog = 5; $success = $listenSock->BindAndListen($callbackLocalPort,$backLog); if ($success != true) { print $listenSock->lastErrorText() . "\n"; exit; } // Wait for the browser's connection in a background thread. // (We'll send load the URL into the browser following this..) // Wait a max of 60 seconds before giving up. $maxWaitMs = 60000; // task is a CkTask $task = $listenSock->AcceptNextConnectionAsync($maxWaitMs); $task->Run(); // At this point, your application should load the URL in a browser. // For example, // in C#: System.Diagnostics.Process.Start(url); // in Java: Desktop.getDesktop().browse(new URI(urlForBrowser)); // in VBScript: Set wsh=WScript.CreateObject("WScript.Shell") // wsh.Run urlForBrowser // in Xojo: ShowURL(url) (see http://docs.xojo.com/index.php/ShowURL) // in Dataflex: Runprogram Background "c:\Program Files\Internet Explorer\iexplore.exe" sUrl // The Trello account owner would interactively accept or deny the authorization request. // Add the code to load the url in a web browser here... // Add the code to load the url in a web browser here... // Add the code to load the url in a web browser here... // System.Diagnostics.Process.Start(urlForBrowser); // Wait for the listenSock's task to complete. $success = $task->Wait($maxWaitMs); if (!$success or ($task->get_StatusInt() != 7) or ($task->get_TaskSuccess() != true)) { if (!$success) { // The task.LastErrorText applies to the Wait method call. print $task->lastErrorText() . "\n"; } else { // The ResultErrorText applies to the underlying task method call (i.e. the AcceptNextConnection) print $task->status() . "\n"; print $task->resultErrorText() . "\n"; } exit; } // If we get to this point, the connection from the browser arrived and was accepted. // We no longer need the listen socket... // Stop listening on port 3017. $listenSock->Close(10); // First get the connected socket. $sock = new CkSocket(); $sock->LoadTaskResult($task); // Read the start line of the request.. $startLine = $sock->receiveUntilMatch('\r\n'); if ($sock->get_LastMethodSuccess() != true) { print $sock->lastErrorText() . "\n"; exit; } // Read the request header. $requestHeader = $sock->receiveUntilMatch('\r\n\r\n'); if ($sock->get_LastMethodSuccess() != true) { print $sock->lastErrorText() . "\n"; exit; } // The browser SHOULD be sending us a GET request, and therefore there is no body to the request. // Once the request header is received, we have all of it. // We can now send our HTTP response. $sbResponseHtml = new CkStringBuilder(); $sbResponseHtml->Append('<html><body><p>Chilkat thanks you!</b></body</html>'); $sbResponse = new CkStringBuilder(); $sbResponse->Append('HTTP/1.1 200 OK\r\n'); $sbResponse->Append('Content-Length: '); $sbResponse->AppendInt($sbResponseHtml->get_Length()); $sbResponse->Append('\r\n'); $sbResponse->Append('Content-Type: text/html\r\n'); $sbResponse->Append('\r\n'); $sbResponse->AppendSb($sbResponseHtml); $sock->SendString($sbResponse->getAsString()); $sock->Close(50); // The information we need is in the startLine. // For example, the startLine will look something like this: // GET /?oauth_token=c173ff088a09a67389b42b1ee32366a4&oauth_verifier=c65bc8eed882e04bb94023bb12c0dbef HTTP/1.1 $sbStartLine = new CkStringBuilder(); $sbStartLine->Append($startLine); $numReplacements = $sbStartLine->Replace('GET /?',''); $numReplacements = $sbStartLine->Replace(' HTTP/1.1',''); $sbStartLine->Trim(); // oauth_token=c173ff088a09a67389b42b1ee32366a4&oauth_verifier=c65bc8eed882e04bb94023bb12c0dbef print 'startline: ' . $sbStartLine->getAsString() . "\n"; $hashTab->Clear(); $hashTab->AddQueryParams($sbStartLine->getAsString()); $requestToken = $hashTab->lookupStr('oauth_token'); $authVerifier = $hashTab->lookupStr('oauth_verifier'); // ------------------------------------------------------------------------------ // Finally , we must exchange the OAuth Request Token for an OAuth Access Token. $http->put_OAuthToken($requestToken); $http->put_OAuthVerifier($authVerifier); // resp is a CkHttpResponse $resp = $http->PostUrlEncoded($accessTokenUrl,$req); if ($http->get_LastMethodSuccess() != true) { print $http->lastErrorText() . "\n"; exit; } // Make sure a successful response was received. if ($resp->get_StatusCode() != 200) { print $resp->statusLine() . "\n"; print $resp->header() . "\n"; print $resp->bodyStr() . "\n"; exit; } // If successful, the resp.BodyStr contains something like this: // oauth_token=4618e19f5101b7199f75aA9e678d1585576ad84fb89fa40c85c4da13589010d5&oauth_token_secret=64a997b26ea1f47105eca36ce1a5d22e print 'response BodyStr = ' . $resp->bodyStr() . "\n"; $hashTab->Clear(); $hashTab->AddQueryParams($resp->bodyStr()); $accessToken = $hashTab->lookupStr('oauth_token'); $accessTokenSecret = $hashTab->lookupStr('oauth_token_secret'); // The access token + secret is what should be saved and used for // subsequent REST API calls. print 'Access Token = ' . $accessToken . "\n"; print 'Access Token Secret = ' . $accessTokenSecret . "\n"; // Save the access token for subsequent REST API calls. $json = new CkJsonObject(); $json->AppendString('oauth_token',$accessToken); $json->AppendString('oauth_token_secret',$accessTokenSecret); $fac = new CkFileAccess(); $fac->WriteEntireTextFile('qa_data/tokens/trello.json',$json->emit(),'utf-8',false); print 'Success.' . "\n"; ?> |
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