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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| { | ||
| "version": 3, | ||
| "artifactType": { | ||
| "type": "APK", | ||
| "kind": "Directory" | ||
| }, | ||
| "applicationId": "dev.brahmkshatriya.echo.extension.deezer", | ||
| "variantName": "release", | ||
| "elements": [ | ||
| { | ||
| "type": "SINGLE", | ||
| "filters": [], | ||
| "attributes": [], | ||
| "versionCode": 1, | ||
| "versionName": "1.0.0", | ||
| "outputFile": "app-release.apk" | ||
| } | ||
| ], | ||
| "elementType": "File" | ||
| } |
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app/src/main/java/dev/brahmkshatriya/echo/extension/Convertors.kt
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78 changes: 78 additions & 0 deletions
78
app/src/main/java/dev/brahmkshatriya/echo/extension/Utils.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package dev.brahmkshatriya.echo.extension | ||
|
|
||
| import android.webkit.URLUtil | ||
| import java.io.IOException | ||
| import java.math.BigInteger | ||
| import java.net.HttpURLConnection | ||
| import java.net.URL | ||
| import java.security.MessageDigest | ||
| import javax.crypto.Cipher | ||
| import javax.crypto.spec.IvParameterSpec | ||
| import javax.crypto.spec.SecretKeySpec | ||
|
|
||
| object Utils { | ||
| private const val secret = "g4el58wc0zvf9na1" | ||
| private val secretIvSpec = IvParameterSpec(byteArrayOf(0,1,2,3,4,5,6,7)) | ||
|
|
||
| @Throws(IOException::class) | ||
| fun getFinalURL(url: String): String { | ||
| val con: HttpURLConnection = URL(url).openConnection() as HttpURLConnection | ||
| con.instanceFollowRedirects = false | ||
| con.connect() | ||
| con.inputStream | ||
| if (con.responseCode == HttpURLConnection.HTTP_MOVED_PERM || con.responseCode == HttpURLConnection.HTTP_MOVED_TEMP) { | ||
| val redirectUrl: String = con.getHeaderField("Location") | ||
| if (URLUtil.isValidUrl(redirectUrl)) return getFinalURL(redirectUrl) | ||
| } | ||
| return url | ||
| } | ||
|
|
||
| private fun bitwiseXor(firstVal: Char, secondVal: Char, thirdVal: Char): Char { | ||
| return (BigInteger(byteArrayOf(firstVal.code.toByte())) xor | ||
| BigInteger(byteArrayOf(secondVal.code.toByte())) xor | ||
| BigInteger(byteArrayOf(thirdVal.code.toByte()))).toByte().toInt().toChar() | ||
| } | ||
|
|
||
| fun createBlowfishKey(trackId: String): String { | ||
| val trackMd5Hex = trackId.toMD5() | ||
| var blowfishKey = "" | ||
|
|
||
| for (i in 0..15) { | ||
| val nextChar = bitwiseXor(trackMd5Hex[i], trackMd5Hex[i + 16], secret[i]) | ||
| blowfishKey += nextChar | ||
| } | ||
|
|
||
| return blowfishKey | ||
| } | ||
|
|
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| fun decryptBlowfish(chunk: ByteArray, blowfishKey: String): ByteArray { | ||
| val secretKeySpec = SecretKeySpec(blowfishKey.toByteArray(), "Blowfish") | ||
| val thisTrackCipher = Cipher.getInstance("BLOWFISH/CBC/NoPadding") | ||
| thisTrackCipher.init(Cipher.DECRYPT_MODE, secretKeySpec, secretIvSpec) | ||
| return thisTrackCipher.update(chunk) | ||
| } | ||
|
|
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| fun decryptBlowfishFinal(chunk: ByteArray, blowfishKey: String, isFinal: Boolean): ByteArray { | ||
| val secretKeySpec = SecretKeySpec(blowfishKey.toByteArray(), "Blowfish") | ||
| val thisTrackCipher = Cipher.getInstance("BLOWFISH/CBC/NoPadding") | ||
| thisTrackCipher.init(Cipher.DECRYPT_MODE, secretKeySpec, secretIvSpec) | ||
| return if (isFinal) { | ||
| thisTrackCipher.doFinal(chunk) | ||
| } else { | ||
| thisTrackCipher.update(chunk) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun bytesToHex(bytes: ByteArray): String { | ||
| var hexString = "" | ||
| for (byte in bytes) { | ||
| hexString += String.format("%02X", byte) | ||
| } | ||
| return hexString | ||
| } | ||
|
|
||
| fun String.toMD5(): String { | ||
| val bytes = MessageDigest.getInstance("MD5").digest(this.toByteArray(Charsets.ISO_8859_1)) | ||
| return bytesToHex(bytes).lowercase() | ||
| } |
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app/src/main/java/dev/brahmkshatriya/echo/extension/network/JsoupExtensions.kt
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app/src/main/java/dev/brahmkshatriya/echo/extension/network/LoginInterceptor.kt
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