Merge pull request #22 from jeena/photo

Adds possibility to post photos.

composer.json

@@ -10,7 +10,8 @@
     "mpratt/relativetime": ">=1.0",
     "firebase/php-jwt": "dev-master",
     "ruudk/twitter-oauth": "dev-master",
-    "andreyco/instagram": "3.*"
+    "andreyco/instagram": "3.*",
+    "p3k/multipart": "*"
   },
   "autoload": {
     "files": [

composer.lock

@@ -1,9 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file"
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
     ],
-    "hash": "f2f8fdb671b52ce22dc0a5e133f9a13d",
+    "hash": "561c25a6b782004d9b05656de5d67971",
     "packages": [
         {
             "name": "andreyco/instagram",
@@ -51,27 +52,25 @@
         {
             "name": "firebase/php-jwt",
             "version": "dev-master",
-            "target-dir": "Firebase/PHP-JWT",
             "source": {
                 "type": "git",
                 "url": "https://github.com/firebase/php-jwt.git",
-                "reference": "83b8899cb73d85d648af93f37ec0ac89f4a5bbae"
+                "reference": "fa8a06e96526eb7c0eeaa47e4f39be59d21f16e1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/83b8899cb73d85d648af93f37ec0ac89f4a5bbae",
-                "reference": "83b8899cb73d85d648af93f37ec0ac89f4a5bbae",
+                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/fa8a06e96526eb7c0eeaa47e4f39be59d21f16e1",
+                "reference": "fa8a06e96526eb7c0eeaa47e4f39be59d21f16e1",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.2.0"
+                "php": ">=5.3.0"
             },
             "type": "library",
             "autoload": {
-                "classmap": [
-                    "Authentication/",
-                    "Exceptions/"
-                ]
+                "psr-4": {
+                    "Firebase\\JWT\\": "src"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -91,7 +90,7 @@
             ],
             "description": "A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.",
             "homepage": "https://github.com/firebase/php-jwt",
-            "time": "2014-11-18 17:58:25"
+            "time": "2015-07-22 18:31:08"
         },
         {
             "name": "indieauth/client",
@@ -365,16 +364,16 @@
         },
         {
             "name": "mpratt/relativetime",
-            "version": "1.0",
+            "version": "1.5.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/mpratt/RelativeTime.git",
-                "reference": "5dd7078d2bc830227c1f5a0081c68c323fb18555"
+                "reference": "219e6568fa3e7b181244f93be493fbab4c89c056"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/mpratt/RelativeTime/zipball/5dd7078d2bc830227c1f5a0081c68c323fb18555",
-                "reference": "5dd7078d2bc830227c1f5a0081c68c323fb18555",
+                "url": "https://api.github.com/repos/mpratt/RelativeTime/zipball/219e6568fa3e7b181244f93be493fbab4c89c056",
+                "reference": "219e6568fa3e7b181244f93be493fbab4c89c056",
                 "shasum": ""
             },
             "require": {
@@ -409,7 +408,43 @@
                 "time",
                 "time-ago"
             ],
-            "time": "2013-09-23 22:51:48"
+            "time": "2015-05-28 14:13:23"
+        },
+        {
+            "name": "p3k/multipart",
+            "version": "0.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/aaronpk/php-multipart-encoder.git",
+                "reference": "f5400011b20046cebbdfed686d051fb2aa600a14"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/aaronpk/php-multipart-encoder/zipball/f5400011b20046cebbdfed686d051fb2aa600a14",
+                "reference": "f5400011b20046cebbdfed686d051fb2aa600a14",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">5.4.0"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/p3k/Multipart.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache 2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Aaron Parecki",
+                    "homepage": "http://aaronparecki.com"
+                }
+            ],
+            "description": "Multipart Encoding Library",
+            "time": "2015-07-16 19:28:02"
         },
         {
             "name": "ruudk/twitter-oauth",
@@ -486,12 +521,12 @@
             "version": "2.2.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/codeguy/Slim.git",
+                "url": "https://github.com/slimphp/Slim.git",
                 "reference": "b8181de1112a1e2f565b40158b621c34ded38053"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/codeguy/Slim/zipball/b8181de1112a1e2f565b40158b621c34ded38053",
+                "url": "https://api.github.com/repos/slimphp/Slim/zipball/b8181de1112a1e2f565b40158b621c34ded38053",
                 "reference": "b8181de1112a1e2f565b40158b621c34ded38053",
                 "shasum": ""
             },
@@ -533,6 +568,8 @@
         "firebase/php-jwt": 20,
         "ruudk/twitter-oauth": 20
     },
+    "prefer-stable": false,
+    "prefer-lowest": false,
     "platform": [],
     "platform-dev": []
 }

controllers/controllers.php

@@ -130,6 +130,19 @@ $app->get('/favorite', function() use($app) {
   }
 });
 
+$app->get('/photo', function() use($app) {
+  if($user=require_login($app)) {
+    $params = $app->request()->params();
+
+    $html = render('photo', array(
+      'title' => 'New Photo',
+      'note_content' => '',
+      'authorizing' => false
+    ));
+    $app->response()->body($html);
+  }
+});
+
 $app->get('/repost', function() use($app) {
   if($user=require_login($app)) {
     $params = $app->request()->params();
@@ -286,6 +299,20 @@ function create_favorite(&$user, $url) {
   return $r;
 }
 
+function create_photo(&$user, $params, $file) {
+  $error = validate_photo($file);
+
+  if(!$error) {
+    $file_path = $file['tmp_name'];
+    $micropub_request = array('content' => $params['note_content']);
+    $r = micropub_post_for_user($user, $micropub_request, $file_path);
+  } else {
+    $r = array('error' => $error);
+  }
+
+  return $r;
+}
+
 function create_repost(&$user, $url) {
   $micropub_request = array(
     'repost-of' => $url
@@ -340,6 +367,40 @@ $app->post('/favorite', function() use($app) {
   }
 });
 
+$app->post('/photo', function() use($app) {
+  if($user=require_login($app)) {
+
+    // var_dump($app->request()->post());
+    //
+    // Since $app->request()->post() with multipart is always
+    // empty (bug in Slim?) We're using the raw $_POST here
+    // until this gets fixed.
+    // PHP empties everything in $_POST if the file upload size exceeds
+    // that is why we have to test if the variables exist first.
+
+    $note_content = isset($_POST['note_content']) ? $_POST['note_content'] : null;
+    $params = array('note_content' => $note_content);
+    $file = isset($_FILES['note_photo']) ? $_FILES['note_photo'] : null;
+
+    $r = create_photo($user, $params, $file);
+
+    // Populate the error if there was no location header.
+    if(empty($r['location']) && empty($r['error'])) {
+      $r['error'] = "No 'Location' header in response.";
+    }
+
+    $html = render('photo', array(
+      'title' => 'Photo posted',
+      'note_content' => $params['note_content'],
+      'location' => (isset($r['location']) ? $r['location'] : null),
+      'error' => (isset($r['error']) ? $r['error'] : null),
+      'response' => (isset($r['response']) ? htmlspecialchars($r['response']) : null),
+      'authorizing' => false
+    ));
+    $app->response()->body($html);
+  }
+});
+
 $app->post('/repost', function() use($app) {
   if($user=require_login($app)) {
     $params = $app->request()->params();

lib/helpers.php

@@ -74,9 +74,9 @@ function get_timezone($lat, $lng) {
   return null;
 }
 
-function micropub_post_for_user(&$user, $params) {
+function micropub_post_for_user(&$user, $params, $file_path = NULL) {
   // Now send to the micropub endpoint
-  $r = micropub_post($user->micropub_endpoint, $params, $user->micropub_access_token);
+  $r = micropub_post($user->micropub_endpoint, $params, $user->micropub_access_token, $file_path);
 
   $user->last_micropub_response = substr(json_encode($r), 0, 1024);
   $user->last_micropub_response_date = date('Y-m-d H:i:s');
@@ -94,21 +94,33 @@ function micropub_post_for_user(&$user, $params) {
   return $r;
 }
 
-function micropub_post($endpoint, $params, $access_token) {
+function micropub_post($endpoint, $params, $access_token, $file_path = NULL) {
   $ch = curl_init();
   curl_setopt($ch, CURLOPT_URL, $endpoint);
-  curl_setopt($ch, CURLOPT_HTTPHEADER, array(
-    'Authorization: Bearer ' . $access_token
-  ));
   curl_setopt($ch, CURLOPT_POST, true);
-  $post = http_build_query(array_merge(array(
-    'h' => 'entry'
-  ), $params));
-  $post = preg_replace('/%5B[0-9]+%5D/', '%5B%5D', $post); // change [0] to []
+
+  $httpheaders = array('Authorization: Bearer ' . $access_token);
+  $params = array_merge(array('h' => 'entry'), $params);
+
+  if(!$file_path) {
+    $post = http_build_query($params);
+    $post = preg_replace('/%5B[0-9]+%5D/', '%5B%5D', $post); // change [0] to []
+  } else {
+    $finfo = finfo_open(FILEINFO_MIME_TYPE);
+    $mimetype = finfo_file($finfo, $file_path);
+    $multipart = new p3k\Multipart();
+    $multipart->addArray($params);
+    $multipart->addFile('photo', $file_path, $mimetype);
+    $post = $multipart->data();
+    array_push($httpheaders, 'Content-Type: ' . $multipart->contentType());
+  }
+
+  curl_setopt($ch, CURLOPT_HTTPHEADER, $httpheaders);
   curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
   curl_setopt($ch, CURLOPT_HEADER, true);
   curl_setopt($ch, CURLINFO_HEADER_OUT, true);
+
   $response = curl_exec($ch);
   $error = curl_error($ch);
   $sent_headers = curl_getinfo($ch, CURLINFO_HEADER_OUT);
@@ -219,4 +231,57 @@ function instagram_client() {
   ));
 }
 
+function validate_photo(&$file) {
+  try {
 
+    if ($_SERVER['REQUEST_METHOD'] == 'POST' && count($_POST) < 1 ) {
+      throw new RuntimeException('File upload size exceeded.');
+    }
+   
+    // Undefined | Multiple Files | $_FILES Corruption Attack
+    // If this request falls under any of them, treat it invalid.
+    if (
+        !isset($file['error']) ||
+        is_array($file['error'])
+    ) {
+        throw new RuntimeException('Invalid parameters.');
+    }
+
+    // Check $file['error'] value.
+    switch ($file['error']) {
+        case UPLOAD_ERR_OK:
+            break;
+        case UPLOAD_ERR_NO_FILE:
+            throw new RuntimeException('No file sent.');
+        case UPLOAD_ERR_INI_SIZE:
+        case UPLOAD_ERR_FORM_SIZE:
+            throw new RuntimeException('Exceeded filesize limit.');
+        default:
+            throw new RuntimeException('Unknown errors.');
+    }
+
+    // You should also check filesize here.
+    if ($file['size'] > 1000000) {
+        throw new RuntimeException('Exceeded filesize limit.');
+    }
+
+    // DO NOT TRUST $file['mime'] VALUE !!
+    // Check MIME Type by yourself.
+    $finfo = new finfo(FILEINFO_MIME_TYPE);
+    if (false === $ext = array_search(
+        $finfo->file($file['tmp_name']),
+        array(
+            'jpg' => 'image/jpeg',
+            'png' => 'image/png',
+            'gif' => 'image/gif',
+        ),
+        true
+    )) {
+        throw new RuntimeException('Invalid file format.');
+    }
+
+  } catch (RuntimeException $e) {
+
+      return $e->getMessage();
+  }
+}

views/layout.php

@@ -66,6 +66,7 @@ if(property_exists($this, 'include_facebook')) {
           <li><a href="/new">New Note</a></li>
           <li><a href="/bookmark">Bookmark</a></li>
           <li><a href="/favorite">Favorite</a></li>
+          <li><a href="/photo">Photo</a></li>
         <? } ?>
 
         <li><a href="/docs">Docs</a></li>

views/photo.php

@@ -0,0 +1,38 @@
+  <div class="narrow">
+    <?= partial('partials/header') ?>
+
+      <form method="POST" role="form" style="margin-top: 20px;" id="note_form" enctype="multipart/form-data">
+
+        <div class="form-group">
+          <label for="note_photo"><code>photo</code></label>
+          <input type="file" name="note_photo" id="note_photo" accept="image/jpg,image/jpeg,image/gif,image/png">
+          <p class="help-block">Photo JPEG, GIF or PNG.</p>
+        </div> 
+
+        <div class="form-group">
+          <label for="note_content"><code>content</code> (optional)</label>
+          <textarea name="note_content" id="note_content" value="" class="form-control" style="height: 4em;"><? if(isset($this->note_content)) echo $this->note_content ?></textarea>
+        </div>
+
+        <button class="btn btn-success" id="btn_post">Post</button>
+      </form>
+
+      <? if(!empty($this->location)): ?>
+        <div class="alert alert-success">
+          <strong>Success!</strong> Photo posted to: <em><a href="<?= $this->location ?>"><?= $this->location ?></a></em>
+        </div>
+      <? endif ?>
+
+      <? if(!empty($this->error)): ?>
+        <div class="alert alert-danger">
+          <strong>Error:</strong> <em><?= $this->error ?></em>
+        </div>
+      <? endif ?>
+
+      <? if(!empty($this->response)): ?>
+        <h4>Response:</h4>
+        <pre><?= $this->response ?></pre>
+      <? endif ?>
+
+
+  </div>