Validate Service Provider names
[cascardo/ipsilon.git] / ipsilon / providers / saml2 / admin.py
index c8d26b8..c6c1a7d 100755 (executable)
 import cherrypy
 from ipsilon.util.page import Page
 from ipsilon.providers.saml2.provider import ServiceProvider
+from ipsilon.providers.saml2.provider import ServiceProviderCreator
+from ipsilon.providers.saml2.provider import InvalidProviderId
+import re
+
+
+VALID_IN_NAME = r'[^\ a-zA-Z0-9]'
+
+
+class NewSPAdminPage(Page):
+
+    def __init__(self, site, parent):
+        super(NewSPAdminPage, self).__init__(site)
+        self.parent = parent
+        self.title = 'New Service Provider'
+        self.backurl = parent.url
+        self.url = '%s/new' % (parent.url,)
+
+    def form_new(self, message=None, message_type=None):
+        return self._template('admin/providers/saml2_sp_new.html',
+                              title=self.title,
+                              message=message,
+                              message_type=message_type,
+                              name='saml2_sp_new_form',
+                              backurl=self.backurl, action=self.url)
+
+    def GET(self, *args, **kwargs):
+        return self.form_new()
+
+    def POST(self, *args, **kwargs):
+
+        if self.user.is_admin:
+            #TODO: allow authenticated user to create SPs on their own
+            #      set the owner in that case
+            name = None
+            meta = None
+            if 'content-type' not in cherrypy.request.headers:
+                self._debug("Invalid request, missing content-type")
+                message = "Malformed request"
+                message_type = "error"
+                return self.form_new(message, message_type)
+            ctype = cherrypy.request.headers['content-type'].split(';')[0]
+            if ctype != 'multipart/form-data':
+                self._debug("Invalid form type (%s), trying to cope" % (
+                            cherrypy.request.content_type,))
+            for key, value in kwargs.iteritems():
+                if key == 'name':
+                    if re.search(VALID_IN_NAME, value):
+                        message = "Invalid name!" \
+                                  " Use only numbers and letters"
+                        message_type = "error"
+                        return self.form_new(message, message_type)
+
+                    name = value
+                elif key == 'meta':
+                    if hasattr(value, 'content_type'):
+                        meta = value.fullvalue()
+                    else:
+                        self._debug("Invalid format for 'meta'")
+
+            if name and meta:
+                try:
+                    spc = ServiceProviderCreator(self.parent.cfg)
+                    sp = spc.create_from_buffer(name, meta)
+                    sp_page = self.parent.add_sp(name, sp)
+                    message = "SP Successfully added"
+                    message_type = "success"
+                    return sp_page.form_standard(message, message_type)
+                except InvalidProviderId, e:
+                    message = str(e)
+                    message_type = "error"
+                except Exception, e:  # pylint: disable=broad-except
+                    self._debug(repr(e))
+                    message = "Failed to create Service Provider!"
+                    message_type = "error"
+            else:
+                message = "A name and a metadata file must be provided"
+                message_type = "error"
+        else:
+            message = "Unauthorized"
+            message_type = "error"
+
+        return self.form_new(message, message_type)
+
+    def root(self, *args, **kwargs):
+        op = getattr(self, cherrypy.request.method, self.GET)
+        if callable(op):
+            return op(*args, **kwargs)
 
 
 class SPAdminPage(Page):
 
     def __init__(self, sp, site, parent):
         super(SPAdminPage, self).__init__(site)
+        self.parent = parent
         self.sp = sp
         self.title = sp.name
         self.backurl = parent.url
@@ -47,15 +135,23 @@ class SPAdminPage(Page):
 
         message = "Nothing was modified."
         message_type = "info"
+        rename = None
         save = False
 
         for key, value in kwargs.iteritems():
             if key == 'name':
                 if value != self.sp.name:
                     if self.user.is_admin or self.user.name == self.sp.owner:
+                        if re.search(VALID_IN_NAME, value):
+                            message = "Invalid name!" \
+                                      " Use only numbers and letters"
+                            message_type = "error"
+                            return self.form_standard(message, message_type)
+
                         self._debug("Replacing %s: %s -> %s" %
                                     (key, self.sp.name, value))
                         self.sp.name = value
+                        rename = [self.sp.name, value]
                         save = True
                     else:
                         message = "Unauthorized to rename object"
@@ -102,6 +198,8 @@ class SPAdminPage(Page):
         if save:
             try:
                 self.sp.save_properties()
+                if rename:
+                    self.parent.rename_sp(rename[0], rename[1])
                 message = "Properties succssfully changed"
                 message_type = "success"
             except Exception:  # pylint: disable=broad-except
@@ -115,6 +213,12 @@ class SPAdminPage(Page):
         if callable(op):
             return op(*args, **kwargs)
 
+    def delete(self):
+        self.parent.del_sp(self.sp.name)
+        self.sp.permanently_delete()
+        return self.parent.root()
+    delete.exposed = True
+
 
 class AdminPage(Page):
     def __init__(self, site, config):
@@ -132,6 +236,19 @@ class AdminPage(Page):
         self.providers.append(sp)
         return page
 
+    def rename_sp(self, oldname, newname):
+        page = getattr(self.sp, oldname)
+        self.sp.del_subtree(oldname)
+        self.sp.add_subtree(newname, page)
+
+    def del_sp(self, name):
+        try:
+            page = getattr(self.sp, name)
+            self.providers.remove(page.sp)
+            self.sp.del_subtree(name)
+        except Exception, e:  # pylint: disable=broad-except
+            self._debug("Failed to remove provider %s: %s" % (name, str(e)))
+
     def mount(self, page):
         self.menu = page.menu
         self.url = '%s/%s' % (page.url, self.name)
@@ -141,6 +258,7 @@ class AdminPage(Page):
                 self.add_sp(sp.name, sp)
             except Exception, e:  # pylint: disable=broad-except
                 self._debug("Failed to find provider %s: %s" % (p, str(e)))
+        self.add_subtree('new', NewSPAdminPage(self._site, self))
         page.add_subtree(self.name, self)
 
     def root(self, *args, **kwargs):