[extensions-web] manage: added command to check zip files integrity

[Yuri Konotopov <ykonotopov src gnome org>]

commit c2bb81125cb37ee3818d37c3e224fe942b83b86c
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Wed Dec 19 20:38:43 2018 +0400

    manage: added command to check zip files integrity

 .../extensions/management/commands/check_files.py  | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
---
diff --git a/sweettooth/extensions/management/commands/check_files.py 
b/sweettooth/extensions/management/commands/check_files.py
new file mode 100644
index 0000000..9f329ec
--- /dev/null
+++ b/sweettooth/extensions/management/commands/check_files.py
@@ -0,0 +1,31 @@
+
+from django.core.management.base import BaseCommand
+from sweettooth.extensions.models import ExtensionVersion, STATUS_REJECTED
+from zipfile import BadZipfile
+
+class Command(BaseCommand):
+    help = "Checks consistency of extension's archives."
+
+    def handle(self, *args, **options):
+        for version in ExtensionVersion.objects.exclude(status=STATUS_REJECTED):
+            badversion = True
+            try:
+                with version.get_zipfile('r') as zip:
+                    badfile = zip.testzip()
+
+                    if badfile:
+                        self.stderr.write("[%s: %d] Bad entry %s in zip file" % (version.extension.name, 
version.version, badfile))
+                    else:
+                        badversion = False
+
+            except IOError, e:
+                self.stderr.write("[%s: %d] Unable to find zip file: %s" % (version.extension.name, 
version.version, str(e)))
+            except BadZipfile, e:
+                self.stderr.write("[%s: %d] Bad zip file: %s" % (version.extension.name, version.version, 
version.source.name))
+
+            if badversion:
+                self.stdout.write("[%s: %d] Rejecting" % (version.extension.name, version.version))
+
+            self.stdout.flush()
+
+        self.stdout.write('Done')