[repo] use ajax to fetch url for file upload/update

seahub/templates/repo.html

@@ -56,7 +56,7 @@
         {% if no_quota %}
         <p class="error">{% trans "The owner of this library has run out of space." %}</p>
         {% else %}
-        <form id="upload-file-form" enctype="multipart/form-data" method="post" action="{{ajax_upload_url}}">{% csrf_token %}
+        <form id="upload-file-form" enctype="multipart/form-data" method="post" action="">{% csrf_token %}
             {% if repo.enc_version == 2 and not server_crypto and repo.encrypted %}
             <input type="file" name="file" /><br />
             <p class="error hide">{% trans "Please select a file at first." %}</p>
@@ -792,8 +792,15 @@ $('#upload-file').click(function () {
         fd.append('file_size', file.size);
 
         $.modal.close();
-        var sb_url = form.attr('action');
+        $.ajax({
-        encAndSubmitFile(file, fd, sb_url);
+            url: '{% url 'get_file_op_url' repo.id %}?op_type=' + e('upload-blks'),
+            cache: false,
+            dataType: 'json',
+            success: function(data) {
+                encAndSubmitFile(file, fd, data['url']);
+            },
+            error: ajaxErrorHandler
+        });
     });
 });
 {% else %}
@@ -816,7 +823,14 @@ $('#upload-file').click(function () {
     
     parent_dir.val(cur_path);
 
-    // Initialize the jQuery File Upload widget:
+    $.ajax({
+        url: '{% url 'get_file_op_url' repo.id %}?op_type=' + e('upload'),
+        cache: false,
+        dataType: 'json',
+        success: function(data) {
+            form.attr('action', data['url']);
+
+            // Initialize the jQuery File Upload widget, which needs to use form action
             form.fileupload({
                 //singleFileUploads: false // using 1 request to upload all files of a selection
                 sequentialUploads: true
@@ -833,6 +847,9 @@ $('#upload-file').click(function () {
                 'redirect',
                 window.location.href.replace(/\/repo\/[-a-z0-9]{36}\/.*/, '/media/cors/result.html?%s')
             );
+        },
+        error: ajaxErrorHandler
+    });
 });
 {% endif %}
 
@@ -1302,8 +1319,16 @@ $('.file-update', context).click(function() {
 
         $.modal.close();
 
-        var sb_url = '{{ ajax_update_url }}?head=' + $('#repo-latest-commit .commit-msg').data('cmtid');
+        $.ajax({
+            url: '{% url 'get_file_op_url' repo.id %}?op_type=' + e('update-blks'),
+            cache: false,
+            dataType: 'json',
+            success: function(data) {
+                var sb_url = data['url'] + '?head=' + $('#repo-latest-commit .commit-msg').data('cmtid');
                 encAndSubmitFile(file, fd, sb_url);
+            },
+            error: ajaxErrorHandler
+        });
     });
 
     return false;
@@ -1329,9 +1354,14 @@ $('.file-update', context).click(function() {
     var hd = $('#update-file-dialog .hd');
     hd.html(hd.html().replace('%(file_name)s', '<span class="op-target">' + file_name + '</span>'));
 
+    $.ajax({
+        url: '{% url 'get_file_op_url' repo.id %}?op_type=' + e('update'),
+        cache: false,
+        dataType: 'json',
+        success: function(data) {
             // Initialize the jQuery File Upload widget:
             form.fileupload({
-        url: '{{ ajax_update_url }}?head=' + $('#repo-latest-commit .commit-msg').data('cmtid'),
+                url: data['url'] + '?head=' + $('#repo-latest-commit .commit-msg').data('cmtid'),
                 {% if max_upload_file_size %}
                 maxFileSize: {{max_upload_file_size}}, // in bytes
                 {% endif %}
@@ -1343,19 +1373,15 @@ $('.file-update', context).click(function() {
                 }
             });
 
-    {% if max_upload_file_size %}
-    form.fileupload('option', {
-        maxFileSize: {{max_upload_file_size}}
-    });
-    {% endif %}
-    
             // Enable iframe cross-domain access via redirect option:
             form.fileupload(
                 'option',
                 'redirect',
                 window.location.href.replace(/\/repo\/[-a-z0-9]{36}\/.*/, '/media/cors/result.html?%s')
             );
-
+        },
+        error: ajaxErrorHandler
+    });
     return false;
 });
 {% endif %}

seahub/urls.py

@@ -142,6 +142,9 @@ urlpatterns = patterns('',
     url(r'^ajax/repo/(?P<repo_id>[-0-9a-f]{36})/current_commit/$', get_current_commit, name='get_current_commit'),
 
     url(r'^ajax/repo/(?P<repo_id>[-0-9a-f]{36})/encrypted_file/(?P<file_id>[0-9a-f]{40})/download/$', download_enc_file, name='download_enc_file'),
+
+    url(r'^ajax/repo/(?P<repo_id>[-0-9a-f]{36})/file_op_url/$', get_file_op_url, name='get_file_op_url'),
+
     url(r'^ajax/group/(?P<group_id>\d+)/repos/$', get_unenc_group_repos, name='get_group_repos'),
     url(r'^ajax/my-unenc-repos/$', get_my_unenc_repos, name='get_my_unenc_repos'),
     url(r'^ajax/unenc-rw-repos/$', unenc_rw_repos, name='unenc_rw_repos'),

seahub/views/ajax.py

@@ -34,7 +34,7 @@ from seahub.signals import repo_deleted
 from seahub.utils import check_filename_with_rename, EMPTY_SHA1, gen_block_get_url, \
     check_and_get_org_by_repo, TRAFFIC_STATS_ENABLED, get_user_traffic_stat,\
     new_merge_with_no_conflict, get_commit_before_new_merge, \
-    get_repo_last_modify
+    get_repo_last_modify, gen_file_upload_url
 from seahub.utils.star import star_file, unstar_file
 
 # Get an instance of a logger
@@ -1283,3 +1283,27 @@ def my_shared_and_group_repos(request):
 
     return HttpResponse(json.dumps({"shared": shared_repos_html, "group": group_repos_html}),
             content_type=content_type)
+
+@login_required
+def get_file_op_url(request, repo_id):
+    """Get file upload/update url for AJAX.
+    """
+    if not request.is_ajax():
+        raise Http404
+
+    content_type = 'application/json; charset=utf-8'
+
+    op_type = request.GET.get('op_type') # value can be 'upload', 'update', 'upload-blks', 'update-blks'
+    if not op_type:
+        err_msg = _(u'Argument missing')
+        return HttpResponse(json.dumps({"error": err_msg}), status=400,
+                            content_type=content_type)
+
+    username = request.user.username
+    url = ''
+    if check_repo_access_permission(repo_id, request.user) == 'rw':
+        token = seafile_api.get_httpserver_access_token(repo_id, 'dummy',
+                                                        op_type, username)
+        url = gen_file_upload_url(token, op_type + '-aj')
+    
+    return HttpResponse(json.dumps({"url": url}), content_type=content_type)

seahub/views/repo.py

@@ -114,52 +114,6 @@ def get_upload_url(request, repo_id):
 #     else:
 #         return ''
 
-def get_ajax_upload_url(request, repo_id):
-    """Get file upload url for AJAX.
-    """
-    username = request.user.username
-    if check_repo_access_permission(repo_id, request.user) == 'rw':
-        token = seafile_api.get_httpserver_access_token(repo_id, 'dummy',
-                                                        'upload', username)
-        return gen_file_upload_url(token, 'upload-aj')
-    else:
-        return ''
-
-def get_ajax_update_url(request, repo_id):
-    """Get file upload url for AJAX.
-    """
-    username = request.user.username
-    if check_repo_access_permission(repo_id, request.user) == 'rw':
-        token = seafile_api.get_httpserver_access_token(repo_id, 'dummy',
-                                                        'update', username)
-        return gen_file_upload_url(token, 'update-aj')
-    else:
-        return ''
-
-def get_blks_upload_url(request, repo_id):
-    '''
-    Get upload url for encrypted file (uploaded in blocks)
-    '''
-    username = request.user.username
-    if check_repo_access_permission(repo_id, request.user) == 'rw':
-        token = seafile_api.get_httpserver_access_token(repo_id, 'dummy',
-                                                        'upload-blks', username)
-        return gen_file_upload_url(token, 'upload-blks-aj')
-    else:
-        return ''
-    
-def get_blks_update_url(request, repo_id):
-    '''
-    Get update url for encrypted file (uploaded in blocks)
-    '''
-    username = request.user.username
-    if check_repo_access_permission(repo_id, request.user) == 'rw':
-        token = seafile_api.get_httpserver_access_token(repo_id, 'dummy',
-                                                        'update-blks', username)
-        return gen_file_upload_url(token, 'update-blks-aj')
-    else:
-        return ''
-
 def get_fileshare(repo_id, username, path):
     if path == '/':    # no shared link for root dir
         return None
@@ -264,12 +218,6 @@ def render_repo(request, repo):
         repo_group_str = ''
     upload_url = get_upload_url(request, repo.id)
 
-    if repo.encrypted and repo.enc_version == 2 and not server_crypto:
-        ajax_upload_url = get_blks_upload_url(request, repo.id)
-        ajax_update_url = get_blks_update_url(request, repo.id)
-    else:
-        ajax_upload_url = get_ajax_upload_url(request, repo.id)
-        ajax_update_url = get_ajax_update_url(request, repo.id)
     fileshare = get_fileshare(repo.id, username, path)
     dir_shared_link = get_dir_share_link(fileshare)
     uploadlink = get_uploadlink(repo.id, username, path)
@@ -295,8 +243,6 @@ def render_repo(request, repo):
             'no_quota': no_quota,
             'max_upload_file_size': max_upload_file_size,
             'upload_url': upload_url,
-            'ajax_upload_url': ajax_upload_url,
-            'ajax_update_url': ajax_update_url,
             'httpserver_root': httpserver_root,
             'protocol': protocol,
             'domain': domain,