X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=application%2Fapi%2FApiUtils.php;h=1824b5d08171f19c27ebb28d3831eacbfc040538;hb=dea72c711ff740b3b829d238fcf85648465143a0;hp=fbb1e72f97dfc30c2da4451e96f51d055fea50e0;hpb=18e6796726d73d7dc90ecdd16c181493941f5487;p=github%2Fshaarli%2FShaarli.git

diff --git a/application/api/ApiUtils.php b/application/api/ApiUtils.php
index fbb1e72f..1824b5d0 100644
--- a/application/api/ApiUtils.php
+++ b/application/api/ApiUtils.php
@@ -1,13 +1,11 @@
 <?php
-
 namespace Shaarli\Api;
 
 use Shaarli\Api\Exceptions\ApiAuthorizationException;
+use Shaarli\Http\Base64Url;
 
 /**
- * Class ApiUtils
- *
- * Utility functions for the API.
+ * REST API utilities
  */
 class ApiUtils
 {
@@ -26,17 +24,17 @@ class ApiUtils
             throw new ApiAuthorizationException('Malformed JWT token');
         }
 
-        $genSign = hash_hmac('sha512', $parts[0] .'.'. $parts[1], $secret);
+        $genSign = Base64Url::encode(hash_hmac('sha512', $parts[0] .'.'. $parts[1], $secret, true));
         if ($parts[2] != $genSign) {
             throw new ApiAuthorizationException('Invalid JWT signature');
         }
 
-        $header = json_decode(base64_decode($parts[0]));
+        $header = json_decode(Base64Url::decode($parts[0]));
         if ($header === null) {
             throw new ApiAuthorizationException('Invalid JWT header');
         }
 
-        $payload = json_decode(base64_decode($parts[1]));
+        $payload = json_decode(Base64Url::decode($parts[1]));
         if ($payload === null) {
             throw new ApiAuthorizationException('Invalid JWT payload');
         }
@@ -48,4 +46,108 @@ class ApiUtils
             throw new ApiAuthorizationException('Invalid JWT issued time');
         }
     }
+
+    /**
+     * Format a Link for the REST API.
+     *
+     * @param array  $link     Link data read from the datastore.
+     * @param string $indexUrl Shaarli's index URL (used for relative URL).
+     *
+     * @return array Link data formatted for the REST API.
+     */
+    public static function formatLink($link, $indexUrl)
+    {
+        $out['id'] = $link['id'];
+        // Not an internal link
+        if ($link['url'][0] != '?') {
+            $out['url'] = $link['url'];
+        } else {
+            $out['url'] = $indexUrl . $link['url'];
+        }
+        $out['shorturl'] = $link['shorturl'];
+        $out['title'] = $link['title'];
+        $out['description'] = $link['description'];
+        $out['tags'] = preg_split('/\s+/', $link['tags'], -1, PREG_SPLIT_NO_EMPTY);
+        $out['private'] = $link['private'] == true;
+        $out['created'] = $link['created']->format(\DateTime::ATOM);
+        if (! empty($link['updated'])) {
+            $out['updated'] = $link['updated']->format(\DateTime::ATOM);
+        } else {
+            $out['updated'] = '';
+        }
+        return $out;
+    }
+
+    /**
+     * Convert a link given through a request, to a valid link for LinkDB.
+     *
+     * If no URL is provided, it will generate a local note URL.
+     * If no title is provided, it will use the URL as title.
+     *
+     * @param array  $input          Request Link.
+     * @param bool   $defaultPrivate Request Link.
+     *
+     * @return array Formatted link.
+     */
+    public static function buildLinkFromRequest($input, $defaultPrivate)
+    {
+        $input['url'] = ! empty($input['url']) ? cleanup_url($input['url']) : '';
+        if (isset($input['private'])) {
+            $private = filter_var($input['private'], FILTER_VALIDATE_BOOLEAN);
+        } else {
+            $private = $defaultPrivate;
+        }
+
+        $link = [
+            'title'         => ! empty($input['title']) ? $input['title'] : $input['url'],
+            'url'           => $input['url'],
+            'description'   => ! empty($input['description']) ? $input['description'] : '',
+            'tags'          => ! empty($input['tags']) ? implode(' ', $input['tags']) : '',
+            'private'       => $private,
+            'created'       => new \DateTime(),
+        ];
+        return $link;
+    }
+
+    /**
+     * Update link fields using an updated link object.
+     *
+     * @param array $oldLink data
+     * @param array $newLink data
+     *
+     * @return array $oldLink updated with $newLink values
+     */
+    public static function updateLink($oldLink, $newLink)
+    {
+        foreach (['title', 'url', 'description', 'tags', 'private'] as $field) {
+            $oldLink[$field] = $newLink[$field];
+        }
+        $oldLink['updated'] = new \DateTime();
+
+        if (empty($oldLink['url'])) {
+            $oldLink['url'] = '?' . $oldLink['shorturl'];
+        }
+
+        if (empty($oldLink['title'])) {
+            $oldLink['title'] = $oldLink['url'];
+        }
+
+        return $oldLink;
+    }
+
+    /**
+     * Format a Tag for the REST API.
+     *
+     * @param string $tag         Tag name
+     * @param int    $occurrences Number of links using this tag
+     *
+     * @return array Link data formatted for the REST API.
+     */
+    public static function formatTag($tag, $occurences)
+    {
+        return [
+            'name'       => $tag,
+            'occurrences' => $occurences,
+        ];
+    }
 }