src/web/wiki.py

   1 #!/usr/bin/python3
   2
   3 import tornado.web
   4
   5 from . import auth
   6 from . import base
   7 from . import ui_modules
   8
   9 class ActionUploadHandler(auth.CacheMixin, base.BaseHandler):
  10         @tornado.web.authenticated
  11         def post(self):
  12                 path = self.get_argument("path")
  13
  14                 try:
  15                         filename, data, mimetype = self.get_file("file")
  16
  17                         # XXX check valid mimetypes
  18
  19                         with self.db.transaction():
  20                                 file = self.backend.wiki.upload(path, filename, data,
  21                                         mimetype=mimetype, author=self.current_user,
  22                                         address=self.get_remote_ip())
  23
  24                 except TypeError as e:
  25                         raise e
  26
  27                 self.redirect("%s/files" % path)
  28
  29
  30 class FilesHandler(auth.CacheMixin, base.BaseHandler):
  31         @tornado.web.authenticated
  32         def get(self, path):
  33                 files = self.backend.wiki.get_files(path)
  34
  35                 self.render("wiki/files/index.html", path=path, files=files)
  36
  37
  38 class FileHandler(auth.CacheMixin, base.BaseHandler):
  39         def get(self, path):
  40                 file = self.backend.wiki.get_file_by_path(path)
  41                 if not file:
  42                         raise tornado.web.HTTPError(404, "Could not find %s" % path)
  43
  44                 size = self.get_argument_int("s", None)
  45
  46                 # Check if image should be resized
  47                 if file.is_image() and size:
  48                         blob = file.get_thumbnail(size)
  49                 else:
  50                         blob = file.blob
  51
  52                 # Set headers
  53                 self.set_header("Content-Type", file.mimetype or "application/octet-stream")
  54                 self.set_header("Content-Length", len(blob))
  55
  56                 # Deliver content
  57                 self.finish(blob)
  58
  59
  60 class PageHandler(auth.CacheMixin, base.BaseHandler):
  61         @property
  62         def action(self):
  63                 return self.get_argument("action", None)
  64
  65         def write_error(self, status_code, **kwargs):
  66                 # Render a custom page for 404
  67                 if status_code == 404:
  68                         self.render("wiki/404.html", **kwargs)
  69                         return
  70
  71                 # Otherwise raise this to one layer above
  72                 super().write_error(status_code, **kwargs)
  73
  74         @tornado.web.removeslash
  75         def get(self, page):
  76                 # Check if we are asked to render a certain revision
  77                 revision = self.get_argument("revision", None)
  78
  79                 # Fetch the wiki page
  80                 page = self.backend.wiki.get_page(page, revision=revision)
  81
  82                 # Edit
  83                 if self.action == "edit":
  84                         if not self.current_user:
  85                                 raise tornado.web.HTTPError(401)
  86
  87                         # Empty page if it was deleted
  88                         if page and page.was_deleted():
  89                                 page = None
  90
  91                         # Render page
  92                         self.render("wiki/edit.html", page=page)
  93                         return
  94
  95                 # Revisions
  96                 elif self.action == "revisions":
  97                         self.render("wiki/revisions.html", page=page)
  98                         return
  99
 100                 # If the page does not exist, we send 404
 101                 if not page or page.was_deleted():
 102                         raise tornado.web.HTTPError(404)
 103
 104                 # Fetch the latest revision
 105                 latest_revision = page.get_latest_revision()
 106
 107                 # Render page
 108                 self.render("wiki/page.html", page=page, latest_revision=latest_revision)
 109
 110         @tornado.web.authenticated
 111         def post(self, page):
 112                 content = self.get_argument("content", None)
 113                 changes = self.get_argument("changes")
 114
 115                 # Create a new page in the database
 116                 with self.db.transaction():
 117                         page = self.backend.wiki.create_page(page,
 118                                 self.current_user, content, changes=changes, address=self.get_remote_ip())
 119
 120                 # Redirect back
 121                 if page.was_deleted():
 122                         self.redirect("/")
 123                 else:
 124                         self.redirect(page.url)
 125
 126                 # Update the search index
 127                 with self.db.transaction():
 128                         self.backend.wiki.refresh()
 129
 130
 131 class SearchHandler(auth.CacheMixin, base.BaseHandler):
 132         @base.blacklisted
 133         def get(self):
 134                 q = self.get_argument("q")
 135
 136                 pages = self.backend.wiki.search(q, limit=50)
 137
 138                 self.render("wiki/search-results.html", q=q, pages=pages)
 139
 140
 141 class RecentChangesHandler(auth.CacheMixin, base.BaseHandler):
 142         def get(self):
 143                 recent_changes = self.backend.wiki.get_recent_changes(limit=50)
 144
 145                 self.render("wiki/recent-changes.html", recent_changes=recent_changes)
 146
 147
 148 class WikiListModule(ui_modules.UIModule):
 149         def render(self, pages, link_revision=False, show_breadcrumbs=True, show_changes=False):
 150                 return self.render_string("wiki/modules/list.html", link_revision=link_revision,
 151                         pages=pages, show_breadcrumbs=show_breadcrumbs, show_changes=show_changes)
 152
 153
 154 class WikiNavbarModule(ui_modules.UIModule):
 155         def render(self, suffix=None):
 156                 _ = self.locale.translate
 157
 158                 breadcrumbs = self.backend.wiki.make_breadcrumbs(self.request.path)
 159
 160                 # Don't search for a title for the file manager
 161                 if self.request.path.endswith("/files"):
 162                         title = _("Files")
 163                 else:
 164                         title = self.backend.wiki.get_page_title(self.request.path)
 165
 166                 return self.render_string("wiki/modules/navbar.html",
 167                         breadcrumbs=breadcrumbs, page_title=title, suffix=suffix)