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Speed up ProxySelector override hook

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This commit is contained in:
Tim Perry
2026-07-31 16:12:48 +02:00
parent 5c8d593f97
commit 5be0bcde8a
1 changed files with 14 additions and 6 deletions
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android/android-proxy-override.js
+14 -6
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@@ -78,12 +78,20 @@ Java.perform(() => {
const ProxySelector = Java.use('java.net.ProxySelector');
// Find every implementation of ProxySelector by quickly scanning method signatures, and
// then checking whether each match actually implements java.net.ProxySelector:
const proxySelectorClasses = Java.enumerateMethods('*!select(java.net.URI): java.util.List/s')
.flatMap((matchingLoader) => matchingLoader.classes
.map((classData) => Java.use(classData.name))
.filter((Cls) => ProxySelector.class.isAssignableFrom(Cls.class))
);
// then checking whether each match actually implements java.net.ProxySelector.
//
// Scanning every class is slow, so we can the apps own classes in full, but scan platform
// classes only for *Proxy* (matches all known cases).
const selectorClassNames = new Set([
'*Proxy*!select(java.net.URI): java.util.List/s',
'*!select(java.net.URI): java.util.List/su'
].flatMap((query) => Java.enumerateMethods(query))
.flatMap((matchingLoader) => matchingLoader.classes.map((classData) => classData.name))
);
const proxySelectorClasses = [...selectorClassNames]
.map((className) => Java.use(className))
.filter((Cls) => ProxySelector.class.isAssignableFrom(Cls.class));
// Replace the 'select' of every implementation, so they all send traffic to us:
proxySelectorClasses.forEach(ProxySelectorCls => {