From af7c43bb5f2c59496ab6ee887862feaaf9d760e0 Mon Sep 17 00:00:00 2001
From: Matt Butcher <technosophos@gmail.com>
Date: Wed, 2 May 2012 10:00:56 -0500
Subject: [PATCH 1/3] Fixing typos.

---
 test/AuthTest.php         | 2 +-
 test/example.settings.ini | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/AuthTest.php b/test/AuthTest.php
index 9399e6e..0f4d8ca 100644
--- a/test/AuthTest.php
+++ b/test/AuthTest.php
@@ -95,7 +95,7 @@ else {
 }
 
 if (empty($token)) {
-  print "Authentication seemed to succeed, but no token was return." . PHP_EOL;
+  print "Authentication seemed to succeed, but no token was returned." . PHP_EOL;
   exit(1);
 }
 
diff --git a/test/example.settings.ini b/test/example.settings.ini
index 4c17c43..344b992 100644
--- a/test/example.settings.ini
+++ b/test/example.settings.ini
@@ -28,7 +28,7 @@ hpcloud.identity.password =
 
 ; For authentication by account ID.
 hpcloud.identity.account =
-hpcloud.identity.key =
+hpcloud.identity.secret =
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; Configuration Parameters ;

From dc59b72c7dad1810c8e51791dee7a72673d286ea Mon Sep 17 00:00:00 2001
From: Matt Butcher <technosophos@gmail.com>
Date: Fri, 4 May 2012 17:24:39 -0500
Subject: [PATCH 2/3] Support for SSL CDN URLs.

SSL CDN URLs are now the default, too. The assumption is that
security should be favored over speed by default.
---
 src/HPCloud/Storage/CDN.php                   |  2 ++
 src/HPCloud/Storage/ObjectStorage.php         | 19 ++++++++---
 .../Storage/ObjectStorage/Container.php       | 14 +++++---
 .../Storage/ObjectStorage/RemoteObject.php    | 20 ++++++++---
 .../Storage/ObjectStorage/StreamWrapper.php   |  5 +--
 test/CDNTest.php                              | 34 +++++++++++++++++--
 6 files changed, 76 insertions(+), 18 deletions(-)

diff --git a/src/HPCloud/Storage/CDN.php b/src/HPCloud/Storage/CDN.php
index 9786722..cf1f17c 100644
--- a/src/HPCloud/Storage/CDN.php
+++ b/src/HPCloud/Storage/CDN.php
@@ -260,6 +260,7 @@ class CDN {
    *     'cdn_enabled' => 1
    *     'name' => 'I♡HPCloud'
    *     'x-cdn-uri' => 'http://hcf937838.cdn.aw1.hpcloud.net'
+   *     'x-cdn-ssl-uri' => 'https://hcf937838.cdn.aw1.hpcloud.net'
    *     'ttl' => 1234
    *   ),
    *   array(
@@ -267,6 +268,7 @@ class CDN {
    *     'cdn_enabled' => 0
    *     'name' => 'HPCloud2'
    *     'x-cdn-uri' => 'http://hcf9abc38.cdn.aw1.hpcloud.net'
+   *     'x-cdn-ssl-uri' => 'https://hcf937838.cdn.aw1.hpcloud.net'
    *     'ttl' => 1234
    *   ),
    * );
diff --git a/src/HPCloud/Storage/ObjectStorage.php b/src/HPCloud/Storage/ObjectStorage.php
index dd1b760..5ede820 100644
--- a/src/HPCloud/Storage/ObjectStorage.php
+++ b/src/HPCloud/Storage/ObjectStorage.php
@@ -236,7 +236,10 @@ class ObjectStorage {
       // This is needed b/c of a bug in SOS that sometimes
       // returns disabled containers (DEVEX-1733).
       if ($item['cdn_enabled'] == 1) {
-        $buffer[$item['name']] = $item['x-cdn-uri'];
+        $buffer[$item['name']] = array(
+          'url' => $item['x-cdn-uri'],
+          'sslUrl' => $item['x-cdn-ssl-uri'],
+        );
       }
     }
     $this->cdnContainers = $buffer;
@@ -254,13 +257,17 @@ class ObjectStorage {
    *
    * @param string $containerName
    *   The name of the container.
+   * @param boolean $ssl
+   *   If this is TRUE (default), get the URL to the SSL CDN;
+   *   otherwise get the URL to the plain HTTP CDN.
    * @retval string
    *   The URL to the CDN container, or NULL if no such
    *   URL is found.
    */
-  public function cdnUrl($containerName) {
+  public function cdnUrl($containerName, $ssl = TRUE) {
     if (!empty($this->cdnContainers[$containerName])) {
-      return $this->cdnContainers[$containerName];
+      $key = $ssl ? 'sslUrl' : 'url';
+      return $this->cdnContainers[$containerName][$key];
     }
   }
 
@@ -339,7 +346,8 @@ class ObjectStorage {
       $containerList[$cname] = Container::newFromJSON($container, $this->token(), $this->url());
 
       if (!empty($this->cdnContainers[$cname])) {
-        $containerList[$cname]->useCDN($this->cdnContainers[$cname]);
+        $cdnList = $this->cdnContainers[$cname];
+        $containerList[$cname]->useCDN($cdnList['url'], $cdnList['sslUrl']);
       }
     }
 
@@ -368,7 +376,8 @@ class ObjectStorage {
       $container = Container::newFromResponse($name, $data, $this->token(), $this->url());
 
       if (isset($this->cdnContainers[$name])) {
-        $container->useCDN($this->cdnContainers[$name]);
+        $cdnList = $this->cdnContainers[$name];
+        $container->useCDN($cdnList['url'], $cdnList['sslUrl']);
       }
 
       return $container;
diff --git a/src/HPCloud/Storage/ObjectStorage/Container.php b/src/HPCloud/Storage/ObjectStorage/Container.php
index 3769a81..6e6c9cd 100644
--- a/src/HPCloud/Storage/ObjectStorage/Container.php
+++ b/src/HPCloud/Storage/ObjectStorage/Container.php
@@ -95,6 +95,7 @@ class Container implements \Countable, \IteratorAggregate {
 
   // This is only set if CDN service is activated.
   protected $cdnUrl;
+  protected $cdnSslUrl;
 
   /**
    * Transform a metadata array into headers.
@@ -336,8 +337,9 @@ class Container implements \Countable, \IteratorAggregate {
    * @param string $url
    *   The URL to the CDN for this container.
    */
-  public function useCDN($url) {
+  public function useCDN($url, $sslUrl) {
     $this->cdnUrl = $url;
+    $this->cdnSslUrl = $sslUrl;
   }
 
   /**
@@ -688,6 +690,7 @@ class Container implements \Countable, \IteratorAggregate {
 
     $url = self::objectUrl($this->url, $name);
     $cdn = self::objectUrl($this->cdnUrl, $name);
+    $cdnSsl = self::objectUrl($this->cdnSslUrl, $name);
     $headers = array();
 
     // Auth token.
@@ -710,7 +713,7 @@ class Container implements \Countable, \IteratorAggregate {
     $remoteObject->setContent($response->content());
 
     if (!empty($this->cdnUrl)) {
-      $remoteObject->useCDN($cdn);
+      $remoteObject->useCDN($cdn, $cdnSsl);
     }
 
     return $remoteObject;
@@ -748,6 +751,7 @@ class Container implements \Countable, \IteratorAggregate {
   public function proxyObject($name) {
     $url = self::objectUrl($this->url, $name);
     $cdn = self::objectUrl($this->cdnUrl, $name);
+    $cdnSsl = self::objectUrl($this->cdnSslUrl, $name);
     $headers = array(
       'X-Auth-Token' => $this->token,
     );
@@ -771,7 +775,7 @@ class Container implements \Countable, \IteratorAggregate {
     $obj = RemoteObject::newFromHeaders($name, $headers, $this->token, $url);
 
     if (!empty($this->cdnUrl)) {
-      $obj->useCDN($cdn);
+      $obj->useCDN($cdn, $cdnSsl);
     }
 
     return $obj;
@@ -944,8 +948,8 @@ class Container implements \Countable, \IteratorAggregate {
     return $this->url;
   }
 
-  public function cdnUrl() {
-    return $this->cdnUrl;
+  public function cdnUrl($ssl = TRUE) {
+    return $ssl ? $this->cdnSslUrl : $this->cdnUrl;
   }
 
   /**
diff --git a/src/HPCloud/Storage/ObjectStorage/RemoteObject.php b/src/HPCloud/Storage/ObjectStorage/RemoteObject.php
index cfea15d..bda1543 100644
--- a/src/HPCloud/Storage/ObjectStorage/RemoteObject.php
+++ b/src/HPCloud/Storage/ObjectStorage/RemoteObject.php
@@ -68,6 +68,7 @@ class RemoteObject extends Object {
   protected $allHeaders;
 
   protected $cdnUrl;
+  protected $cdnSslUrl;
 
   /**
    * Create a new RemoteObject from JSON data.
@@ -118,8 +119,10 @@ class RemoteObject extends Object {
    *   subsequent requests. If this is set, this object may use
    *   CDN to make subsequent requests. It may also return the
    *   CDN URL when requested.
+   * @param string $cdnSslUrl
+   *   The URL to the SSL-protected CDN version of the object.
    */
-  public static function newFromHeaders($name, $headers, $token, $url, $cdnUrl = NULL) {
+  public static function newFromHeaders($name, $headers, $token, $url, $cdnUrl = NULL, $cdnSslUrl = NULL) {
     $object = new RemoteObject($name);
 
     $object->allHeaders = $headers;
@@ -153,6 +156,7 @@ class RemoteObject extends Object {
     $object->token = $token;
     $object->url = $url;
     $object->cdnUrl = $cdnUrl;
+    $object->cdnSslUrl = $cdnSslUrl;
 
     return $object;
   }
@@ -176,9 +180,12 @@ class RemoteObject extends Object {
    *
    * @param string $url
    *   The URL to this object in CDN.
+   * @param string $sslUrl
+   *   The SSL URL to this object in CDN.
    */
-  public function useCDN($url) {
+  public function useCDN($url, $sslUrl) {
     $this->cdnUrl = $url;
+    $this->cdnSslUrl = $sslUrl;
   }
 
   /**
@@ -196,6 +203,11 @@ class RemoteObject extends Object {
    *   object. See ObjectStorage::useCDN(), Container::useCDN() and
    *   RemoteObject::useCDN(). (Generally, using ObjectStorage::useCDN()
    *   is all you need to do.)
+   * @param boolean $useSSL
+   *   FOR CACHED URLS ONLY, there is an option for either SSL or non-SSL
+   *   URLs. By default, we use SSL URLs because (a) it's safer, and
+   *   (b) it mirrors non-CDN behavior. This can be turned off by setting
+   *   $useSSL to FALSE.
    * @retval string
    *   A URL to the object. The following considerations apply:
    *   - If the container is public, this URL can be loaded without
@@ -207,10 +219,10 @@ class RemoteObject extends Object {
    *   - If this object has never been saved remotely, then there will be
    *     no URL, and this will return NULL.
    */
-  public function url($cached = FALSE) {
+  public function url($cached = FALSE, $useSSL = TRUE) {
 
     if ($cached && !empty($this->cdnUrl)) {
-      return $this->cdnUrl;
+      return $useSSL ? $this->cdnSslUrl : $this->cdnUrl;
     }
     return $this->url;
   }
diff --git a/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php b/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
index 2bce8e2..85e36f0 100644
--- a/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
+++ b/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
@@ -827,13 +827,14 @@ class StreamWrapper {
     // EXPERIMENTAL:
     // If we can get the resource from CDN, we do so now. Note that we try to sidestep
     // the Container creation, which saves us an HTTP request.
-    $cdnUrl = $this->store->cdnUrl($containerName);
+    $cdnUrl = $this->store->cdnUrl($containerName, FALSE);
+    $cdnSslUrl = $this->store->cdnUrl($containerName, TRUE);
     if (!empty($cdnUrl) && !$this->isWriting && !$this->isAppending) {
       try {
         $newUrl = $this->store->url() . '/' . $containerName;
         $token = $this->store->token();
         $this->container = new \HPCloud\Storage\ObjectStorage\Container($containerName, $newUrl, $token);
-        $this->container->useCDN($cdnUrl);
+        $this->container->useCDN($cdnUrl, $cdnSslUrl);
         $this->obj = $this->container->object($objectName);
         $this->objStream = $this->obj->stream();
 
diff --git a/test/CDNTest.php b/test/CDNTest.php
index e9d5ce4..b75c7bb 100755
--- a/test/CDNTest.php
+++ b/test/CDNTest.php
@@ -66,20 +66,39 @@ print "***** TESTING CDN ENABLED" . PHP_EOL;
 if ($cdnData['cdn_enabled'] != 1) {
   die('Cannot test CDN: You must enable CDN on ' . $cname);
 }
-
 $container = $objstore->container($cname);
 
 print "***** TESTING CDN URL" . PHP_EOL;
+$cdnSsl = $objstore->cdnUrl($cname);
+$cdnPlain = $objstore->cdnUrl($cname, FALSE);
+if ($cdnSsl == $cdnPlain) {
+  die(sprintf("Surprise! %s matches %s\n", $cdnSsl, $cdnPlain));
+}
+print 'SSL CDN: ' . $cdnSsl. PHP_EOL;
+print 'Plain CDN: ' . $cdnPlain . PHP_EOL;
+print 'Container CDN URL: ' . $container->cdnUrl() . PHP_EOL;
 if ($container->cdnUrl() == NULL) {
   die('No CDN URL for Container ' . $cname);
 }
 
+if ($cdnSsl != $container->cdnUrl()) {
+  die(sprintf("Expected SSL CDN %s to match Container CDN %s\n", $cdnSsl, $container->cdnUrl()));
+}
+
 $o = new \HPCloud\Storage\ObjectStorage\Object('CDNTest.txt', 'TEST');
 
 $container->save($o);
 
 $copy = $container->object($o->name());
 
+print "***** TESTING OBJECT CDN URLS." . PHP_EOL;
+print "Object SSL URL: " . $copy->url() . PHP_EOL;
+print "Object CDN SSL URL: " . $copy->url(TRUE) . PHP_EOL;
+print "Object CDN URL: " . $copy->url(TRUE, FALSE) . PHP_EOL;
+if ($copy->url(TRUE) == $copy->url(TRUE, FALSE)) {
+  die(sprintf("Object SSL URL %s should not match non-SSL URL %s\n", $copy->url(TRUE), $copy->url(TRUE, FALSE)));
+}
+
 print "***** TESTING THAT CDN WAS USED." . PHP_EOL;
 if ($copy->url() == $copy->url(TRUE)) {
   die('Object Storage not used for ' . $o->name());
@@ -98,6 +117,17 @@ $cxt = stream_context_create(array(
 ));
 
 print "***** TESTING RETURNED DATA" . PHP_EOL;
-print file_get_contents('swift://' . TEST_CONTAINER . '/CDNTest.txt', FALSE, $cxt);
+$res = array(
+  'internal'       => file_get_contents('swift://' . TEST_CONTAINER . '/CDNTest.txt', FALSE, $cxt),
+  'external'       => file_get_contents($copy->url()),
+  'externalSslCdn' => file_get_contents($copy->url(TRUE)),
+  'externalCdn'    => file_get_contents($copy->url(TRUE, FALSE)),
+);
+
+foreach ($res as $name => $val) {
+  if ($val != 'TEST') {
+    die(sprintf("Facility %s failed, returning '%s' instead of TEST.", $name, $val));
+  }
+}
 
 print PHP_EOL . "***** All tests passed." . PHP_EOL;

From e2fdaffb74baca5963e101ca4a66d1674c78392b Mon Sep 17 00:00:00 2001
From: Matt Butcher <technosophos@gmail.com>
Date: Fri, 4 May 2012 17:58:28 -0500
Subject: [PATCH 3/3] SSL CDN is configurable with Stream Wrappers now.

---
 src/HPCloud/Storage/ObjectStorage/Container.php    | 14 +++++++++++---
 .../Storage/ObjectStorage/StreamWrapper.php        |  9 ++++++++-
 test/CDNTest.php                                   | 12 ++++++++++++
 3 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/src/HPCloud/Storage/ObjectStorage/Container.php b/src/HPCloud/Storage/ObjectStorage/Container.php
index 6e6c9cd..ead371b 100644
--- a/src/HPCloud/Storage/ObjectStorage/Container.php
+++ b/src/HPCloud/Storage/ObjectStorage/Container.php
@@ -336,6 +336,8 @@ class Container implements \Countable, \IteratorAggregate {
    *
    * @param string $url
    *   The URL to the CDN for this container.
+   * @param string $sslUrl
+   *   The SSL URL to the CDN for this container.
    */
   public function useCDN($url, $sslUrl) {
     $this->cdnUrl = $url;
@@ -683,10 +685,14 @@ class Container implements \Countable, \IteratorAggregate {
    *
    * @param string $name
    *   The name of the object to load.
+   * @param boolean $requireSSL
+   *   If this is TRUE (the default), then SSL will always be
+   *   used. If this is FALSE, then CDN-based fetching will
+   *   use non-SSL, which is faster.
    * @retval \HPCloud\Storage\ObjectStorage\RemoteObject
    *   A remote object with the content already stored locally.
    */
-  public function object($name) {
+  public function object($name, $requireSSL = TRUE) {
 
     $url = self::objectUrl($this->url, $name);
     $cdn = self::objectUrl($this->cdnUrl, $name);
@@ -702,7 +708,9 @@ class Container implements \Countable, \IteratorAggregate {
       $response = $client->doRequest($url, 'GET', $headers);
     }
     else {
-      $response = $client->doRequest($cdn, 'GET', $headers);
+      $from = $requireSSL ? $cdnSsl : $cdn;
+      // print "Fetching object from $from\n";
+      $response = $client->doRequest($from, 'GET', $headers);
     }
 
     if ($response->status() != 200) {
@@ -763,7 +771,7 @@ class Container implements \Countable, \IteratorAggregate {
       $response = $client->doRequest($url, 'HEAD', $headers);
     }
     else {
-      $response = $client->doRequest($cdn, 'HEAD', $headers);
+      $response = $client->doRequest($cdnSsl, 'HEAD', $headers);
     }
 
     if ($response->status() != 200) {
diff --git a/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php b/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
index 85e36f0..b6d5760 100644
--- a/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
+++ b/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
@@ -248,6 +248,9 @@ use \HPCloud\Storage\ObjectStorage;
  *     - The container must have CDN enabled
  *     - The CDN container must be active ("cdn-enabled")
  *     - Authentication info must be accessible to the stream wrapper.
+ * - cdn_require_ssl: If this is set to FALSE, then CDN-based requests
+ *     may use plain HTTP instead of HTTPS. This will spead up CDN
+ *     fetches at the cost of security.
  *
  * @attention
  *  ADVANCED: You can also pass an HPCloud::Storage::CDN object in use_cdn instead of
@@ -830,12 +833,13 @@ class StreamWrapper {
     $cdnUrl = $this->store->cdnUrl($containerName, FALSE);
     $cdnSslUrl = $this->store->cdnUrl($containerName, TRUE);
     if (!empty($cdnUrl) && !$this->isWriting && !$this->isAppending) {
+      $requireSSL = (boolean) $this->cxt('cdn_require_ssl', TRUE);
       try {
         $newUrl = $this->store->url() . '/' . $containerName;
         $token = $this->store->token();
         $this->container = new \HPCloud\Storage\ObjectStorage\Container($containerName, $newUrl, $token);
         $this->container->useCDN($cdnUrl, $cdnSslUrl);
-        $this->obj = $this->container->object($objectName);
+        $this->obj = $this->container->object($objectName, $requireSSL);
         $this->objStream = $this->obj->stream();
 
         return TRUE;
@@ -1570,6 +1574,9 @@ class StreamWrapper {
    * When use_cdn is set to TRUE, the wrapper tries to use CDN service.
    * In such cases, we need a handle to the CDN object. This initializes
    * that handle, which can later be used to get other information.
+   *
+   * Also note that CDN's default behavior is to fetch over SSL CDN.
+   * To disable this, set 'cdn_require_ssl' to FALSE.
    */
   protected function initializeCDN($token, $catalog) {
     $cdn = $this->cxt('use_cdn', FALSE);
diff --git a/test/CDNTest.php b/test/CDNTest.php
index b75c7bb..2d7a18c 100755
--- a/test/CDNTest.php
+++ b/test/CDNTest.php
@@ -115,10 +115,22 @@ $cxt = stream_context_create(array(
     'use_cdn' => TRUE,
   ),
 ));
+$cxt2 = stream_context_create(array(
+  'swift' => array(
+    //'token' => $token,
+    'tenantid' => $ini['hpcloud.identity.tenantId'],
+    'account' => $ini['hpcloud.identity.account'],
+    'key' => $ini['hpcloud.identity.secret'],
+    'endpoint' => $ini['hpcloud.identity.url'],
+    'use_cdn' => TRUE,
+    'cdn_require_ssl' => FALSE,
+  ),
+));
 
 print "***** TESTING RETURNED DATA" . PHP_EOL;
 $res = array(
   'internal'       => file_get_contents('swift://' . TEST_CONTAINER . '/CDNTest.txt', FALSE, $cxt),
+  'internalNoSSL'  => file_get_contents('swift://' . TEST_CONTAINER . '/CDNTest.txt', FALSE, $cxt2),
   'external'       => file_get_contents($copy->url()),
   'externalSslCdn' => file_get_contents($copy->url(TRUE)),
   'externalCdn'    => file_get_contents($copy->url(TRUE, FALSE)),