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Doing a merge
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Kai Hendry
136
Oauth.php
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136
Oauth.php
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#!/usr/bin/env php
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<?php
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if (empty($argv[1])) { exit(1); }
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$urlargs = $argv[1];
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/**
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* Oauth.php
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*
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* Created by Jon Hurlock on 2013-03-20.
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*
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* Jon Hurlock's Twitter Application-only Authentication App by Jon Hurlock (@jonhurlock)
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* is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
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* Permissions beyond the scope of this license may be available at http://www.jonhurlock.com/.
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*/
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/*
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* Get the Bearer Token, this is an implementation of steps 1&2
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* from https://dev.twitter.com/docs/auth/application-only-auth
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*/
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function get_bearer_token(){
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require("secret.php");
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echo $consumer_key;
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// Step 1
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// step 1.1 - url encode the consumer_key and consumer_secret in accordance with RFC 1738
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$encoded_consumer_key = urlencode($consumer_key);
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$encoded_consumer_secret = urlencode($consumer_secret);
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// step 1.2 - concatinate encoded consumer, a colon character and the encoded consumer secret
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$bearer_token = $encoded_consumer_key.':'.$encoded_consumer_secret;
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// step 1.3 - base64-encode bearer token
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$base64_encoded_bearer_token = base64_encode($bearer_token);
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// step 2
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$url = "https://api.twitter.com/oauth2/token"; // url to send data to for authentication
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$headers = array(
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"POST /oauth2/token HTTP/1.1",
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"Host: api.twitter.com",
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"User-Agent: jonhurlock Twitter Application-only OAuth App v.1",
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"Authorization: Basic ".$base64_encoded_bearer_token."",
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"Content-Type: application/x-www-form-urlencoded;charset=UTF-8",
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"Content-Length: 29"
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);
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$ch = curl_init(); // setup a curl
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curl_setopt($ch, CURLOPT_URL,$url); // set url to send to
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); // set custom headers
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curl_setopt($ch, CURLOPT_POST, 1); // send as post
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // return output
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curl_setopt($ch, CURLOPT_POSTFIELDS, "grant_type=client_credentials"); // post body/fields to be sent
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$header = curl_setopt($ch, CURLOPT_HEADER, 1); // send custom headers
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$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$retrievedhtml = curl_exec ($ch); // execute the curl
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curl_close($ch); // close the curl
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$output = explode("\n", $retrievedhtml);
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$bearer_token = '';
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foreach($output as $line)
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{
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if($line === false)
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{
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// there was no bearer token
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}else{
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$bearer_token = $line;
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}
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}
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$bearer_token = json_decode($bearer_token);
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return $bearer_token->{'access_token'};
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}
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/**
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* Invalidates the Bearer Token
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* Should the bearer token become compromised or need to be invalidated for any reason,
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* call this method/function.
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*/
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function invalidate_bearer_token($bearer_token){
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$encoded_consumer_key = urlencode(CONSUMER_KEY);
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$encoded_consumer_secret = urlencode(CONSUMER_SECRET);
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$consumer_token = $encoded_consumer_key.':'.$encoded_consumer_secret;
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$base64_encoded_consumer_token = base64_encode($consumer_token);
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// step 2
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$url = "https://api.twitter.com/oauth2/invalidate_token"; // url to send data to for authentication
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$headers = array(
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"POST /oauth2/invalidate_token HTTP/1.1",
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"Host: api.twitter.com",
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"User-Agent: jonhurlock Twitter Application-only OAuth App v.1",
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"Authorization: Basic ".$base64_encoded_consumer_token."",
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"Accept: */*",
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"Content-Type: application/x-www-form-urlencoded",
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"Content-Length: ".(strlen($bearer_token)+13).""
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);
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$ch = curl_init(); // setup a curl
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curl_setopt($ch, CURLOPT_URL,$url); // set url to send to
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); // set custom headers
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curl_setopt($ch, CURLOPT_POST, 1); // send as post
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // return output
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curl_setopt($ch, CURLOPT_POSTFIELDS, "access_token=".$bearer_token.""); // post body/fields to be sent
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$header = curl_setopt($ch, CURLOPT_HEADER, 1); // send custom headers
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$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$retrievedhtml = curl_exec ($ch); // execute the curl
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curl_close($ch); // close the curl
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return $retrievedhtml;
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}
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/**
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* Search
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* Basic Search of the Search API
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* Based on https://dev.twitter.com/docs/api/1.1/get/search/tweets
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*/
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function search_for_a_term($bearer_token, $query, $result_type='mixed', $count='15'){
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$url = "https://api.twitter.com/1.1/statuses/user_timeline.json";
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$q = urlencode(trim($query)); // query term
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$formed_url ='?q='.$q; // fully formed url
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if($result_type!='mixed'){$formed_url = $formed_url.'&result_type='.$result_type;} // result type - mixed(default), recent, popular
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if($count!='15'){$formed_url = $formed_url.'&count='.$count;} // results per page - defaulted to 15
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$formed_url = $formed_url.'&include_entities=true'; // makes sure the entities are included, note @mentions are not included see documentation
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$headers = array(
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"GET /1.1/search/tweets.json".$formed_url." HTTP/1.1",
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"Host: api.twitter.com",
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"User-Agent: jonhurlock Twitter Application-only OAuth App v.1",
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"Authorization: Bearer ".$bearer_token."",
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);
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$ch = curl_init(); // setup a curl
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curl_setopt($ch, CURLOPT_URL,$url.$formed_url); // set url to send to
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); // set custom headers
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // return output
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$retrievedhtml = curl_exec ($ch); // execute the curl
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curl_close($ch); // close the curl
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return $retrievedhtml;
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}
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// lets run a search.
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$bearer_token = get_bearer_token(); // get the bearer token
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print search_for_a_term($bearer_token, "test"); // search for the work 'test'
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//invalidate_bearer_token($bearer_token); // invalidate the token
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?>
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