From 5309910b9b4dd2533ff5b2190f90bf415fd20113 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@status.net>
Date: Tue, 29 Sep 2009 17:57:31 -0400
Subject: Twitter API returns server errors in preferred format

---
 actions/twitapistatuses.php |  2 +-
 lib/twitterapi.php          | 56 ++++++++++++++++++++++++++-------------------
 2 files changed, 34 insertions(+), 24 deletions(-)

diff --git a/actions/twitapistatuses.php b/actions/twitapistatuses.php
index 5e2867ea8..41887a68f 100644
--- a/actions/twitapistatuses.php
+++ b/actions/twitapistatuses.php
@@ -297,7 +297,7 @@ class TwitapistatusesAction extends TwitterapiAction
                     $source, 1, $reply_to);
 
             if (is_string($notice)) {
-                $this->serverError($notice);
+                $this->serverError($notice, 500, $apidata['content-type']);
                 return;
             }
 
diff --git a/lib/twitterapi.php b/lib/twitterapi.php
index 638efba24..3bac400e2 100644
--- a/lib/twitterapi.php
+++ b/lib/twitterapi.php
@@ -501,7 +501,7 @@ class TwitterapiAction extends Action
             $enclosure = $entry['enclosures'][0];
             $this->element('enclosure', array('url'=>$enclosure['url'],'type'=>$enclosure['mimetype'],'length'=>$enclosure['size']), null);
         }
-        
+
         if(array_key_exists('tags', $entry)){
             foreach($entry['tags'] as $tag){
                 $this->element('category', null,$tag);
@@ -939,35 +939,16 @@ class TwitterapiAction extends Action
 
     function clientError($msg, $code = 400, $content_type = 'json')
     {
-
-        static $status = array(400 => 'Bad Request',
-                               401 => 'Unauthorized',
-                               402 => 'Payment Required',
-                               403 => 'Forbidden',
-                               404 => 'Not Found',
-                               405 => 'Method Not Allowed',
-                               406 => 'Not Acceptable',
-                               407 => 'Proxy Authentication Required',
-                               408 => 'Request Timeout',
-                               409 => 'Conflict',
-                               410 => 'Gone',
-                               411 => 'Length Required',
-                               412 => 'Precondition Failed',
-                               413 => 'Request Entity Too Large',
-                               414 => 'Request-URI Too Long',
-                               415 => 'Unsupported Media Type',
-                               416 => 'Requested Range Not Satisfiable',
-                               417 => 'Expectation Failed');
-
         $action = $this->trimmed('action');
 
         common_debug("User error '$code' on '$action': $msg", __FILE__);
 
-        if (!array_key_exists($code, $status)) {
+        if (!array_key_exists($code, ClientErrorAction::$status)) {
             $code = 400;
         }
 
-        $status_string = $status[$code];
+        $status_string = ClientErrorAction::$status[$code];
+
         header('HTTP/1.1 '.$code.' '.$status_string);
 
         if ($content_type == 'xml') {
@@ -986,6 +967,35 @@ class TwitterapiAction extends Action
 
     }
 
+    function serverError($msg, $code = 500, $content_type = 'json')
+    {
+        $action = $this->trimmed('action');
+
+        common_debug("Server error '$code' on '$action': $msg", __FILE__);
+
+        if (!array_key_exists($code, ServerErrorAction::$status)) {
+            $code = 400;
+        }
+
+        $status_string = ServerErrorAction::$status[$code];
+
+        header('HTTP/1.1 '.$code.' '.$status_string);
+
+        if ($content_type == 'xml') {
+            $this->init_document('xml');
+            $this->elementStart('hash');
+            $this->element('error', null, $msg);
+            $this->element('request', null, $_SERVER['REQUEST_URI']);
+            $this->elementEnd('hash');
+            $this->end_document('xml');
+        } else {
+            $this->init_document('json');
+            $error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']);
+            print(json_encode($error_array));
+            $this->end_document('json');
+        }
+    }
+
     function init_twitter_rss()
     {
         $this->startXML();
-- 
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