switch from cgi.escape to html.escape

MANIFEST.in

@@ -1,3 +1,3 @@
 include LICENSE README.md
-recursive-include docs *
+recursive-include pyquarantine/docs *
-recursive-include misc *
+recursive-include pyquarantine/misc *

pyquarantine/__init__.py

@@ -17,6 +17,7 @@ import configparser
 import logging
 import os
 import re
+import encodings
 
 from Milter.utils import parse_addr
 from collections import defaultdict
@@ -43,7 +44,22 @@ __all__ = [
     "run",
     "whitelists"]
 
-__version__ = "1.0.6"
+__version__ = "1.0.8"
+
+
+################################################
+#  add charset alias for windows-874 encoding  #
+################################################
+
+aliases = encodings.aliases.aliases
+
+for alias in ["windows-874", "windows_874"]:
+    if alias not in aliases:
+        aliases[alias] = "cp874"
+
+setattr(encodings.aliases, "aliases", aliases)
+
+################################################
 
 
 def make_header(decoded_seq, maxlinelen=None, header_name=None,

pyquarantine/notifications.py

@@ -17,12 +17,12 @@ import logging
 import re
 
 from bs4 import BeautifulSoup
-from cgi import escape
 from collections import defaultdict
 from email.policy import default as default_policy
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
 from email.mime.image import MIMEImage
+from html import escape
 from os.path import basename
 from urllib.parse import quote
 
@@ -244,7 +244,8 @@ class EMailNotification(BaseNotification):
                     f"{qid}: content type is {content_type}, "
                     f"converting to text/html")
                 content = re.sub(r"^(.*)$", r"\1<br/>",
-                                 escape(content), flags=re.MULTILINE)
+                                 escape(content, quote=False),
+                                 flags=re.MULTILINE)
             else:
                 self.logger.debug(
                     f"{qid}: content type is {content_type}")
@@ -353,22 +354,24 @@ class EMailNotification(BaseNotification):
             variables = defaultdict(
                     str,
                     EMAIL_HTML_TEXT=sanitized_text,
-                    EMAIL_FROM=escape(headers["from"]),
+                    EMAIL_FROM=escape(headers["from"], quote=False),
-                    EMAIL_ENVELOPE_FROM=escape(mailfrom),
+                    EMAIL_ENVELOPE_FROM=escape(mailfrom, quote=False),
-                    EMAIL_ENVELOPE_FROM_URL=escape(quote(mailfrom)),
+                    EMAIL_ENVELOPE_FROM_URL=escape(quote(mailfrom),
-                    EMAIL_TO=escape(headers["to"]),
+                                                   quote=False),
-                    EMAIL_ENVELOPE_TO=escape(recipient),
+                    EMAIL_TO=escape(headers["to"], quote=False),
+                    EMAIL_ENVELOPE_TO=escape(recipient, quote=False),
                     EMAIL_ENVELOPE_TO_URL=escape(quote(recipient)),
-                    EMAIL_SUBJECT=escape(headers["subject"]),
+                    EMAIL_SUBJECT=escape(headers["subject"], quote=False),
                     EMAIL_QUARANTINE_ID=storage_id)
 
             if subgroups:
                 number = 0
                 for subgroup in subgroups:
-                    variables[f"SUBGROUP_{number}"] = escape(subgroup)
+                    variables[f"SUBGROUP_{number}"] = escape(subgroup,
+                                                             quote=False)
             if named_subgroups:
                 for key, value in named_subgroups.items():
-                    named_subgroups[key] = escape(value)
+                    named_subgroups[key] = escape(value, quote=False)
                 variables.update(named_subgroups)
 
             # parse template