Bug fix

https://github.com/2dust/v2rayNG/issues/3885

V2rayNG/app/src/main/kotlin/com/v2ray/ang/fmt/ShadowsocksFmt.kt

@@ -9,10 +9,16 @@ import java.net.URI
 
 object ShadowsocksFmt : FmtBase() {
     fun parse(str: String): ProfileItem? {
+        return parseSip002(str) ?: parseLegacy(str)
+    }
+
+    fun parseSip002(str: String): ProfileItem? {
         val config = ProfileItem.create(EConfigType.SHADOWSOCKS)
 
         val uri = URI(Utils.fixIllegalUrl(str))
-        if (uri.idnHost.isEmpty() || uri.userInfo.isEmpty()) return null
+        if (uri.idnHost.isEmpty()) return null
+        if (uri.port <= 0) return null
+        if (uri.userInfo.isNullOrEmpty()) return null
 
         config.remarks = Utils.urlDecode(uri.fragment.orEmpty())
         config.server = uri.idnHost
@@ -42,6 +48,43 @@ object ShadowsocksFmt : FmtBase() {
         return config
     }
 
+    fun parseLegacy(str: String): ProfileItem? {
+        val config = ProfileItem.create(EConfigType.SHADOWSOCKS)
+        var result = str.replace(EConfigType.SHADOWSOCKS.protocolScheme, "")
+        val indexSplit = result.indexOf("#")
+        if (indexSplit > 0) {
+            try {
+                config.remarks =
+                    Utils.urlDecode(result.substring(indexSplit + 1, result.length))
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+
+            result = result.substring(0, indexSplit)
+        }
+
+        //part decode
+        val indexS = result.indexOf("@")
+        result = if (indexS > 0) {
+            Utils.decode(result.substring(0, indexS)) + result.substring(
+                indexS,
+                result.length
+            )
+        } else {
+            Utils.decode(result)
+        }
+
+        val legacyPattern = "^(.+?):(.*)@(.+?):(\\d+?)/?$".toRegex()
+        val match = legacyPattern.matchEntire(result) ?: return null
+
+        config.server = match.groupValues[3].removeSurrounding("[", "]")
+        config.serverPort = match.groupValues[4]
+        config.password = match.groupValues[2]
+        config.method = match.groupValues[1].lowercase()
+
+        return config
+    }
+
     fun toUri(config: ProfileItem): String {
         val pw = "${config.method}:${config.password}"
 

V2rayNG/app/src/main/kotlin/com/v2ray/ang/fmt/SocksFmt.kt

@@ -15,6 +15,7 @@ object SocksFmt : FmtBase() {
 
         val uri = URI(Utils.fixIllegalUrl(str))
         if (uri.idnHost.isEmpty()) return null
+        if (uri.port <= 0) return null
 
         config.remarks = Utils.urlDecode(uri.fragment.orEmpty())
         config.server = uri.idnHost