Added viewing file size limit

settings.py

@@ -145,7 +145,7 @@ AUTHENTICATION_BACKENDS = (
 ACCOUNT_ACTIVATION_DAYS = 7
 
 # File preview
-FILE_PREVIEW_MAX_SIZE = 10 * 1024 * 1024
+FILE_PREVIEW_MAX_SIZE = 30 * 1024 * 1024
 USE_PDFJS = True
 FILE_ENCODING_LIST = ['auto', 'utf-8', 'gbk', 'ISO-8859-1', 'ISO-8859-5']
 FILE_ENCODING_TRY_LIST = ['utf-8', 'gbk']

templates/view_file_audio.html

@@ -1,14 +1,18 @@
 {% extends 'view_file_base.html' %}
 
 {% block extra_style %}{{block.super}}
+{% if not err%}
 <link rel="stylesheet" href="{{MEDIA_URL}}css/mediaelementplayer.css" />
+{% endif %}
 {% endblock %}
 
 {% block extra_script %}{{ block.super }}
+{% if not err%}
 <script src="{{MEDIA_URL}}js/mediaelement-and-player.min.js"></script>
 <script type="text/javascript">
   $('#file-view').html('<div class="audio-container"><audio src="{{raw_path}}" width="500" height="30"></audio></div>');
 $('audio').mediaelementplayer(/* Options */);
 </script>
+{% endif %}
 {% endblock %}
 

templates/view_file_base.html

@@ -77,7 +77,15 @@
             <button data="{{ SITE_ROOT }}repo/{{ repo.id }}/{{ obj_id }}/?file_name={{ filename }}&op=download" id="download">{% trans "Download"%}</button>
         </div>
 
-        <div id="file-view"> {% block file_view %}{% endblock %} </div>
+        <div id="file-view">
+          {% if err %}
+          <div id="file-view-tip">
+            <p class="error">{{ err }}</p>
+          </div>
+          {% else %}
+          {% block file_view %}{% endblock %}
+          {% endif %}
+        </div>
     </div>
 
     <form id="link-send-form" action="" method="post" class="hide">

templates/view_file_document.html

@@ -2,6 +2,7 @@
 {% load i18n%}
 
 {% block extra_script %}{{ block.super }}
+{% if not err%}
 <script type="text/javascript" src="{{MEDIA_URL}}flexpaper/js/flexpaper_flash.js"></script>
 <script type="text/javascript">
     $('#file-view').html('<div id="flash"></div>');
@@ -66,4 +67,5 @@
   check_status();
   {% endif %}
 </script>
+{% endif %}
 {% endblock %}

templates/view_file_pdf.html

@@ -2,6 +2,7 @@
 {% load i18n %}
 
 {% block extra_script %}{{ block.super }}
+{% if not err %}
 {% if use_pdfjs %}
 <script type="text/javascript" src="{{MEDIA_URL}}js/pdf.js"></script>
 <script type="text/javascript">
@@ -123,4 +124,5 @@ if (!($.browser.msie && parseInt($.browser.version) < 10)) {
   {% endif %}
 </script>
 {% endif %}
+{% endif %}
 {% endblock %}

templates/view_file_sf.html

@@ -21,13 +21,7 @@
     </div>
     {% endif %}
 
-    {% if not err %}
     {% ifnotequal file_content None %}
     <div id="sf" class="article">{{ file_content|safe }}</div>
     {% endifnotequal %}
-    {% else %}
-      <div id="file-view-tip">
-        <p class="error">{{ err }}</p>
-      </div>
-    {% endif %}
 {% endblock %}

templates/view_file_video.html

@@ -1,13 +1,17 @@
 {% extends 'view_file_base.html' %}
 
 {% block extra_style %}{{block.super}}
+{% if not err%}
 <link rel="stylesheet" href="{{MEDIA_URL}}css/mediaelementplayer.css" />
+{% endif %}
 {% endblock %}
 
 {% block extra_script %}{{ block.super }}
+{% if not err%}
 <script src="{{MEDIA_URL}}js/mediaelement-and-player.min.js"></script>
 <script type="text/javascript">
   $('#file-view').html('<div class="video-container"><video src="{{raw_path}}" width="800" height="400"></video></div>');
 $('video').mediaelementplayer(/* Options */);
 </script>
+{% endif %}
 {% endblock %}

views/file.py

@@ -21,7 +21,7 @@ from django.utils.hashcompat import md5_constructor
 from django.utils.translation import ugettext as _
 from seaserv import list_dir_by_path, get_repo, web_get_access_token, \
     get_commits, is_passwd_set, check_permission, get_shared_groups_by_repo,\
-    is_group_user, get_file_id_by_path, get_commit
+    is_group_user, get_file_id_by_path, get_commit, get_file_size
 from pysearpc import SearpcError
 
 from base.decorators import ctx_switch_required, repo_passwd_set_required
@@ -94,10 +94,6 @@ def repo_file_get(raw_path, file_enc):
 
     try:
         file_response = urllib2.urlopen(raw_path)
-        if long(file_response.headers['Content-Length']) > FILE_PREVIEW_MAX_SIZE:
-            err = _(u'File size surpasses 10M, can not be previewed online.')
-            return err, '', None
-        else:
         content = file_response.read()
     except urllib2.HTTPError, e:
         err = _(u'HTTPError: failed to open file online')
@@ -248,13 +244,21 @@ def view_file(request, repo_id):
     # get file type and extension
     filetype, fileext = get_file_type_and_ext(u_filename)
 
-    """Choose different approach when dealing with different type of file."""
     img_prev = None
     img_next = None
     ret_dict = {'err': '', 'file_content': '', 'encoding': '', 'file_enc': '',
                 'file_encoding_list': [], 'swf_exists': False,
                 'filetype': filetype}
     
+    # Check file size
+    fsize = get_file_size(obj_id)
+    if fsize > FILE_PREVIEW_MAX_SIZE:
+        from django.template.defaultfilters import filesizeformat
+        err = _(u'File size surpasses %s, can not be opened online.') % \
+                    filesizeformat(FILE_PREVIEW_MAX_SIZE)
+        ret_dict['err'] = err
+    else:
+        """Choose different approach when dealing with different type of file."""
         if is_textual_file(file_type=filetype):
             handle_textual_file(request, filetype, raw_path, ret_dict)
         elif filetype == 'Document':
@@ -371,7 +375,7 @@ def view_file(request, repo_id):
             'img_next': img_next,
             }, context_instance=RequestContext(request))
 
-def view_file_common(request, repo_id, ret_dict):
+def view_history_file_common(request, repo_id, ret_dict):
     username = request.user.username
     # check arguments
     repo = get_repo(repo_id)
@@ -405,6 +409,14 @@ def view_file_common(request, repo_id, ret_dict):
     filetype, fileext = get_file_type_and_ext(u_filename)
 
     if user_perm:
+        # Check file size
+        fsize = get_file_size(obj_id)
+        if fsize > FILE_PREVIEW_MAX_SIZE:
+            from django.template.defaultfilters import filesizeformat
+            err = _(u'File size surpasses %s, can not be opened online.') % \
+                filesizeformat(FILE_PREVIEW_MAX_SIZE)
+            ret_dict['err'] = err
+        else:
             """Choose different approach when dealing with different type of file."""
             if is_textual_file(file_type=filetype):
                 handle_textual_file(request, filetype, raw_path, ret_dict)
@@ -431,7 +443,7 @@ def view_file_common(request, repo_id, ret_dict):
 @repo_passwd_set_required
 def view_history_file(request, repo_id):
     ret_dict = {}
-    view_file_common(request, repo_id, ret_dict)
+    view_history_file_common(request, repo_id, ret_dict)
     if not request.user_perm:
         return render_permission_error(request, _(u'Unable to view file'))
         
@@ -447,7 +459,7 @@ def view_history_file(request, repo_id):
 @repo_passwd_set_required
 def view_trash_file(request, repo_id):
     ret_dict = {}
-    view_file_common(request, repo_id, ret_dict)
+    view_history_file_common(request, repo_id, ret_dict)
     if not request.user_perm:
         return render_permission_error(request, _(u'Unable to view file'))
 
@@ -470,7 +482,7 @@ def view_trash_file(request, repo_id):
 @repo_passwd_set_required
 def view_snapshot_file(request, repo_id):
     ret_dict = {}
-    view_file_common(request, repo_id, ret_dict)
+    view_history_file_common(request, repo_id, ret_dict)
     if not request.user_perm:
         return render_permission_error(request, _(u'Unable to view file'))