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permanent access token : refreshtoken #71

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permanent access token : refreshtoken #71

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7 changes: 7 additions & 0 deletions config.php
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Original file line number Diff line number Diff line change
Expand Up @@ -14,5 +14,12 @@ class redditConfig{
//access token request scopes
//full list at http://www.reddit.com/dev/api/oauth
static $SCOPES = 'save,modposts,identity,edit,flair,history,modconfig,modflair,modlog,modposts,modwiki,mysubreddits,privatemessages,read,report,submit,subscribe,vote,wikiedit,wikiread';

// for permanent token - refresh token

// https://www.reddit.com/r/redditdev/comments/3g8u2t/how_to_get_permanent_access_token_for_reddit/
static $GRANT_TYPE = 'authorization_code';
static $GRANT_TYPE_REFRESH = 'refresh_token';
static $DURATION = 'permanent';
}
?>
38 changes: 35 additions & 3 deletions reddit.php
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
*/
class reddit{
private $access_token;
private $refresh_token;
private $token_type;
private $auth_mode = 'basic';

Expand All @@ -30,10 +31,13 @@ public function __construct(){
//capture code from auth
$code = $_GET["code"];

//construct POST object for access token fetch request
$postvals = sprintf("code=%s&redirect_uri=%s&grant_type=authorization_code",
//construct POST object for access token fetch request - permanent token
$postvals = sprintf("code=%s&redirect_uri=%s&grant_type=%s&duration=%s",
$code,
redditConfig::$ENDPOINT_OAUTH_REDIRECT);
redditConfig::$ENDPOINT_OAUTH_REDIRECT,
redditConfig::$GRANT_TYPE,
redditConfig::$DURATION
);

//get JSON access token object (with refresh_token parameter)
$token = self::runCurl(redditConfig::$ENDPOINT_OAUTH_TOKEN, $postvals, null, true);
Expand All @@ -42,6 +46,7 @@ public function __construct(){
if (isset($token->access_token)){
$this->access_token = $token->access_token;
$this->token_type = $token->token_type;
$this->refresh_token = $token->refresh_token;

//set token cookie for later use
$cookie_time = 60 * 59 + time(); //seconds * minutes = 59 minutes (token expires in 1hr)
Expand All @@ -67,6 +72,33 @@ public function __construct(){
//set auth mode for requests
$this->auth_mode = 'oauth';
}

/* refresh token */
public function getAccessTokenRefresh($refresh_token=''){

// if refresh token not exists return
if($refresh_token) $this->refresh_token = $refresh_token;
else return false;

$this->auth_mode = 'basic';

$postvals = sprintf("grant_type=%s&refresh_token=%s",
redditConfig::$GRANT_TYPE_REFRESH,
$this->refresh_token
);

$token = self::runCurl(redditConfig::$ENDPOINT_OAUTH_TOKEN, $postvals, null, true);

if (isset($token->access_token)){
$this->access_token = $token->access_token;
$this->token_type = $token->token_type;
$cookie_time = 60 * 59 + time(); //seconds * minutes = 59 minutes (token expires in 1hr)
setcookie('reddit_token', "{$this->token_type}:{$this->access_token}", $cookie_time);
}

$this->auth_mode = 'oauth';

}

/**
* Needs CAPTCHA
Expand Down