Bugfix: json parsing error handling

app.py

@@ -6,7 +6,7 @@ from os import environ
 from distutils.util import strtobool
 from threading import Thread
 
-pastey_version = "0.3"
+pastey_version = "0.3.1"
 loaded_config = {}
 loaded_themes = []
 
@@ -45,6 +45,7 @@ if __name__ == "__main__":
     print("Pastey version ", pastey_version)
     print("USING THE FOLLOWING CONFIGURATION:")
     print("=====================================")
+    loaded_config['pastey_version'] = pastey_version
     for option in dir(config):
         if not option.startswith("__"):
             loaded_config[option] = eval("config.%s" % option)

pastey/functions.py

@@ -18,18 +18,25 @@ def get_recent(limit=config.recent_pastes):
     recent_pastes = []
     i = 0
     while i < limit and i < len(paths):
-        with open(paths[i]) as fp:
-            paste = json.loads(fp.read())
-
-            basename = path.basename(paths[i])
-            paste['unique_id'] = basename[:-8] if basename.endswith(".expires") else basename
-            paste['content'] = '\n'.join(paste['content'].splitlines()[0:10])
-            paste['icon'] = common.get_icon(paste['language'])
-
-            if paste['encrypted']:
-                paste['content'] = "[Encrypted]"
-
-            recent_pastes.append(paste)
+        if paths[i].is_file():
+            with open(paths[i]) as fp:
+                try:
+                    paste = json.loads(fp.read())
+                except json.JSONDecodeError:
+                    i += 1
+                    continue
+
+                # Set extra metadata
+                basename = path.basename(paths[i])
+                paste['unique_id'] = basename[:-8] if basename.endswith(".expires") else basename
+                paste['content'] = '\n'.join(paste['content'].splitlines()[0:10])
+                paste['icon'] = common.get_icon(paste['language'])
+
+                # Replace preview if encrypted
+                if paste['encrypted']:
+                    paste['content'] = "[Encrypted]"
+
+                recent_pastes.append(paste)
         i += 1
 
     return recent_pastes
@@ -40,7 +47,10 @@ def get_paste(unique_id, key=""):
 
     if file_path is not None:
         with open(file_path, "r") as fp:
-            paste = json.loads(fp.read())
+            try:
+                paste = json.loads(fp.read())
+            except json.JSONDecodeError:
+                return None
 
         # Check if paste is expired
         if common.is_expired(paste):

requirements.txt

@@ -1,4 +1,4 @@
-flask
+Flask==1.1.2
 Flask-Limiter==1.4
-guesslang
-cryptography
+guesslang==2.0.1
+cryptography==3.4.7