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| author | rbuj <[email protected]> | 2022-08-07 23:08:59 +0200 |
|---|---|---|
| committer | raveit65 <[email protected]> | 2023-04-28 21:14:08 +0200 |
| commit | c585b945d27e883908c437d12aa9c453db2143f4 (patch) | |
| tree | 33770e0625ae5e819445e44df52bb910814fb939 /backend | |
| parent | 9f5d7343f79f6ff8295884df3229bc6696b4386c (diff) | |
| download | atril-c585b945d27e883908c437d12aa9c453db2143f4.tar.bz2 atril-c585b945d27e883908c437d12aa9c453db2143f4.tar.xz | |
epub: add fallback for malformed epub files in check_mime_type
Diffstat (limited to 'backend')
| -rw-r--r-- | backend/epub/epub-document.c | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/backend/epub/epub-document.c b/backend/epub/epub-document.c index 385d2fea..451c8846 100644 --- a/backend/epub/epub-document.c +++ b/backend/epub/epub-document.c @@ -625,41 +625,51 @@ xml_get_data_from_node(xmlNodePtr node, static gboolean check_mime_type(const gchar* uri,GError** error) { - GError * err = NULL ; - const gchar* mimeFromFile = ev_file_get_mime_type(uri,FALSE,&err); + GError * err = NULL; + const gchar* mimeFromFile; - gchar* mimetypes[] = {"application/epub+zip","application/x-booki+zip"}; - int typecount = 2; - if ( !mimeFromFile ) + mimeFromFile = ev_file_get_mime_type(uri, FALSE, &err); + if (mimeFromFile) { - if (err) { - g_propagate_error (error, err); - } - else { - g_set_error_literal (error, - EV_DOCUMENT_ERROR, - EV_DOCUMENT_ERROR_INVALID, - _("Unknown MIME Type")); - } - return FALSE; - } - else - { - int i=0; - for (i=0; i < typecount ;i++) { - if ( g_strcmp0(mimeFromFile, mimetypes[i]) == 0 ) { + const gchar* mimetypes[] = {"application/epub+zip", "application/x-booki+zip", NULL}; + guint i; + + for (i = 0; i < g_strv_length (mimetypes); i++) { + if (strcmp(mimeFromFile, mimetypes[i]) == 0) return TRUE; - } + } + + /* fallback for malformed epub files */ + if (strcmp (mimeFromFile, "application/zip") == 0) + { + mimeFromFile = ev_file_get_mime_type (uri, TRUE, &err); + if (mimeFromFile) + { + for (i = 0; i < g_strv_length (mimetypes); i++) { + if (g_strcmp0(mimeFromFile, mimetypes[i]) == 0) + return TRUE; + } + + /*We didn't find a match*/ + g_set_error_literal (error, + EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_INVALID, + _("Not an ePub document")); + + return FALSE; + } } + } - /*We didn't find a match*/ + if (err) + g_propagate_error (error, err); + else g_set_error_literal (error, - EV_DOCUMENT_ERROR, - EV_DOCUMENT_ERROR_INVALID, - _("Not an ePub document")); + EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_INVALID, + _("Unknown MIME Type")); - return FALSE; - } + return FALSE; } static gboolean |