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Code Issues Releases Wiki Activity

Sanitize Outlook safelinks

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This commit is contained in:
M66B 2020-04-09 19:17:20 +02:00
parent adb6d9658e
commit 440832ff22
1 changed files with 12 additions and 3 deletions
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15
app/src/main/java/eu/faircode/email/AdapterMessage.java
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@ -5215,12 +5215,21 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
if (uri.isOpaque())
sanitized = uri;
else {
// https://en.wikipedia.org/wiki/UTM_parameters
Uri.Builder builder = uri.buildUpon();
boolean changed = false;
Uri.Builder builder;
if (uri.getHost() != null &&
uri.getHost().endsWith("safelinks.protection.outlook.com") &&
!TextUtils.isEmpty(uri.getQueryParameter("url"))) {
changed = true;
builder = Uri.parse(uri.getQueryParameter("url")).buildUpon();
}
else
builder = uri.buildUpon();
builder.clearQuery();
for (String key : uri.getQueryParameterNames())
// https://en.wikipedia.org/wiki/UTM_parameters
if (key.toLowerCase(Locale.ROOT).startsWith("utm_") ||
PARANOID_QUERY.contains(key.toLowerCase(Locale.ROOT)))
changed = true;