On 3/22/21 10:56 AM, Richard Purdie wrote:
Instead of searching for "<", use bleach to sanity input to avoid
any XSS issues.


I will be able to test it. once its installed

Signed-off-by: Richard Purdie <[email protected]>
---
  Post/parser.py | 26 +++++++++-----------------
  1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/Post/parser.py b/Post/parser.py
index f411e02..536e872 100644
--- a/Post/parser.py
+++ b/Post/parser.py
@@ -9,6 +9,7 @@
  # Licensed under the MIT license, see COPYING.MIT for details
import json, re
+import bleach
  from Post.models import Build, BuildFailure, ErrorType
  from django.conf import settings
  from django.utils import timezone
@@ -19,21 +20,6 @@ class Parser:
      def __init__(self, data):
          self.data = data.decode('utf-8')
- # returns true if the values contain '<' char
-    # Ignore the failures field (which is an array anyway)
-    # Ignore any non-str fields too [YOCTO #14208]
-    def contains_tags (self, data):
-        for key,val in data.items():
-            if key == 'failures':
-                continue
-
-            if not isinstance(val, str):
-                continue
-
-            if '<' in val:
-                return True
-        return False
-
      def parse(self, request):
          build_fails_logged = []
@@ -42,8 +28,14 @@ class Parser:
          except:
               return  { 'error' : 'Invalid json' }
- if self.contains_tags(jsondata) == True:
-            return  { 'error' : 'Invalid characters in json' }
+        # Bleach data going directly into the database so that
+        # displaying in any of the graphing doesn't introduce XSS
+        for key,val in jsondata.items():
+            if key == 'failures':
+                continue
+            if not isinstance(val, str):
+                continue
+            jsondata[key] = bleach.clean(val)
b = Build.objects.create()
          try:





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