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GrindrPlus: Add small command handler
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@R0rt1z2
R0rt1z2 committed Dec 20, 2023
1 parent 62f1830 commit 5f7c3ef
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Showing 2 changed files with 125 additions and 25 deletions.
149 changes: 124 additions & 25 deletions app/src/main/java/com/grindrplus/Hooks.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package com.grindrplus
import android.content.ClipData
import android.content.ClipboardManager
import android.content.Context
import android.content.Intent
import android.os.Build
import android.os.Bundle
import android.util.TypedValue
Expand Down Expand Up @@ -533,6 +534,64 @@ object Hooks {
}

fun showBlocksInChat() {
var ownProfileId: String? = null

fun logChatMessage(text: String, from: String, sender: String? = null) {
val chatMessage = ChatMessage()
chatMessage.messageId = UUID.randomUUID().toString()
chatMessage.sender = sender ?: ownProfileId ?: return
chatMessage.recipient = from
chatMessage.stanzaId = from
chatMessage.conversationId = from
chatMessage.timestamp = System.currentTimeMillis()
chatMessage.type = "text"
chatMessage.body = text

callMethod(
chatMessageManager,
GApp.xmpp.ChatMessageManager_.handleIncomingChatMessage,
chatMessage.instance,
false,
false
)
}

/**
* Open a profile by its ID.
* Based on yukkerike's work.
*
* @param id The profile ID.
*/
fun openProfile(id: String) {
val generalDeepLinksClass = findClass("com.grindrapp.android.deeplink.GeneralDeepLinks", Hooker.pkgParam.classLoader)
val profilesActivityClass = findClass("com.grindrapp.android.ui.profileV2.ProfilesActivity", Hooker.pkgParam.classLoader)
val profilesActivityInstance = profilesActivityClass.getField("u0").get(null)
val referrerTypeClass = findClass("com.grindrapp.android.base.model.profile.ReferrerType", Hooker.pkgParam.classLoader)
val referrerType = referrerTypeClass.getField("NOTIFICATION").get(null)
val profilesActivityInnerClass = findClass("com.grindrapp.android.ui.profileV2.ProfilesActivity\$a", Hooker.pkgParam.classLoader)

var intent: Intent? = null
for (method in profilesActivityInnerClass.declaredMethods) {
if (method.parameterTypes.size == 3 && method.parameterTypes[2] == referrerTypeClass) {
intent = method.invoke(
profilesActivityInstance,
Hooker.appContext, id, referrerType
) as Intent
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
break
}
}

if (intent != null) {
for (method in generalDeepLinksClass.declaredMethods) {
if (method.name == "safedk_Context_startActivity_97cb3195734cf5c9cc3418feeafa6dd6") {
method.invoke(null, Hooker.appContext, intent)
return
}
}
}
}

val receiveChatMessage = findMethodExact(
GApp.xmpp.ChatMessageManager,
Hooker.pkgParam.classLoader,
Expand All @@ -542,6 +601,13 @@ object Hooks {
Boolean::class.javaPrimitiveType,
)

val sendChatMessage = findMethodExact(
GApp.xmpp.ChatMessageManager,
Hooker.pkgParam.classLoader,
GApp.xmpp.ChatMessageManager_.handleOutgoingChatMessage,
findClass("hc.p0", Hooker.pkgParam.classLoader), // ChatWrapper
)

XposedBridge.hookMethod(receiveChatMessage,
object : XC_MethodHook() {
override fun afterHookedMethod(param: MethodHookParam) {
Expand All @@ -551,6 +617,7 @@ object Hooks {
"unblock" -> "[You have been unblocked.]"
else -> null
}

if (syntheticMessage != null) {
val clone = param.args[0].javaClass
.getMethod("clone").invoke(param.args[0])
Expand All @@ -566,10 +633,62 @@ object Hooks {
)
}
}
})

}
)

var ownProfileId: String? = null
XposedBridge.hookMethod(sendChatMessage,
object : XC_MethodHook() {
override fun beforeHookedMethod(param: MethodHookParam) {
val chatMessage = getObjectField(param.args[0], "a")
val text = getObjectField(chatMessage, "body") as String
val recipient = getObjectField(chatMessage, "recipient") as String

if (text.startsWith("/")) {
param.result = null // This prevents the command from being sent
val args = text.substring(1).split(" ")
when (args[0]) {
"help" -> {
logChatMessage(
"""
/help - Show this help message
/id - Get the user ID of the current profile
/open <id> - Open a profile by its ID
/ping - Test if the hook is active
""".trimIndent(),
recipient,
recipient
)
return
}
"id" -> {
logChatMessage(
"""
Your profile ID is: $ownProfileId
The profile ID of the other user is: $recipient
""".trimIndent(),
recipient,
recipient
)
return
}
"open" -> {
if (args.size > 1) {
openProfile(args[1])
} else {
logChatMessage("Please specify a profile ID.",
recipient, recipient)
}
return
}
"ping" -> {
logChatMessage("\uD83C\uDFD3 Pong!", recipient, recipient)
return
}
}
}
}
}
)

findAndHookMethod(
GApp.storage.UserSession,
Expand All @@ -582,26 +701,6 @@ object Hooks {
}
)

fun logChatMessage(from: String, text: String) {
val chatMessage = ChatMessage()
chatMessage.messageId = UUID.randomUUID().toString()
chatMessage.sender = ownProfileId
chatMessage.recipient = from
chatMessage.stanzaId = from
chatMessage.conversationId = from
chatMessage.timestamp = System.currentTimeMillis()
chatMessage.type = "text"
chatMessage.body = text

callMethod(
chatMessageManager,
GApp.xmpp.ChatMessageManager_.handleIncomingChatMessage,
chatMessage.instance,
false,
false
)
}

findAndHookMethod(
GApp.persistence.repository.BlockRepo,
Hooker.pkgParam.classLoader,
Expand All @@ -614,7 +713,7 @@ object Hooks {
param.args[0],
GApp.persistence.model.BlockedProfile_.getProfileId
) as String
logChatMessage(otherProfileId, "[You have blocked this profile.]")
logChatMessage("[You have blocked this profile.]", otherProfileId)
}
}
)
Expand All @@ -629,7 +728,7 @@ object Hooks {
override fun afterHookedMethod(param: MethodHookParam) {
val otherProfileId = param.args[0] as? String
if (otherProfileId != null) {
logChatMessage(otherProfileId, "[You have unblocked this profile.]")
logChatMessage("[You have unblocked this profile.]", otherProfileId)
}
}
}
Expand Down
1 change: 1 addition & 0 deletions app/src/main/java/com/grindrplus/Obfuscation.kt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -324,6 +324,7 @@ object Obfuscation {

object ChatMessageManager_ {
const val handleIncomingChatMessage = "a"
const val handleOutgoingChatMessage = "j"
}

const val ChatMarkersManager = "$_xmpp.a"
Expand Down

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