Only send 4 characters to the matches endpoint

duckduckgo · Dec 19, 2024 · 95b3a46 · 95b3a46
1 parent 36e54ef
commit 95b3a46
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diff --git a/.../kotlin/com/duckduckgo/malicioussiteprotection/impl/domain/RealMaliciousSiteProtection.kt b/.../kotlin/com/duckduckgo/malicioussiteprotection/impl/domain/RealMaliciousSiteProtection.kt
@@ -70,7 +70,7 @@ class RealMaliciousSiteProtection @Inject constructor(
         hostname: String,
         hash: String,
     ): Boolean {
-        val matches = maliciousSiteRepository.matches(hashPrefix)
+        val matches = maliciousSiteRepository.matches(hashPrefix.substring(0, 4))
         return matches.any { match ->
             Pattern.compile(match.regex).matcher(url.toString()).find() &&
                 (hostname == match.hostname) &&

diff --git a/...s-site-protection/malicious-site-protection-impl/src/main/res/raw/malware_filter_set.json b/...s-site-protection/malicious-site-protection-impl/src/main/res/raw/malware_filter_set.json
diff --git a/...-site-protection/malicious-site-protection-impl/src/main/res/raw/malware_hash_prefix.json b/...-site-protection/malicious-site-protection-impl/src/main/res/raw/malware_hash_prefix.json