feat: supports for google euicc partner customization

https://developer.android.com/reference/org/json/JSONObject
Reviewed-on: PeterCxy/OpenEUICC#201
Co-authored-by: septs <github@septs.pw>
Co-committed-by: septs <github@septs.pw>

app-common/src/main/java/im/angry/openeuicc/ui/wizard/DownloadWizardDiagnosticsFragment.kt

@@ -8,6 +8,7 @@ import android.view.ViewGroup
 import android.widget.TextView
 import im.angry.openeuicc.common.R
 import im.angry.openeuicc.util.*
+import org.json.JSONObject
 import java.util.Date
 
 class DownloadWizardDiagnosticsFragment : DownloadWizardActivity.DownloadWizardStepFragment() {
@@ -86,9 +87,10 @@ class DownloadWizardDiagnosticsFragment : DownloadWizardActivity.DownloadWizardS
             ret.appendLine()
 
             val str = resp.data.decodeToString(throwOnInvalidSequence = false)
+
             ret.appendLine(
                 if (str.startsWith('{')) {
-                    str.prettyPrintJson()
+                    JSONObject(str).toString(2)
                 } else {
                     str
                 }

app-common/src/main/java/im/angry/openeuicc/util/StringUtils.kt

@@ -41,73 +41,3 @@ fun parseIsdrAidList(s: String): List<ByteArray> =
         .filter(String::isNotEmpty)
         .mapNotNull { runCatching(it::decodeHex).getOrNull() }
         .ifEmpty { listOf(EUICC_DEFAULT_ISDR_AID.decodeHex()) }
-
-fun String.prettyPrintJson(): String {
-    val ret = StringBuilder()
-    var inQuotes = false
-    var escaped = false
-    val indentSymbolStack = ArrayDeque<Char>()
-
-    val addNewLine = {
-        ret.append('\n')
-        repeat(indentSymbolStack.size) {
-            ret.append('\t')
-        }
-    }
-
-    var lastChar = ' '
-
-    for (c in this) {
-        when {
-            !inQuotes && (c == '{' || c == '[') -> {
-                ret.append(c)
-                indentSymbolStack.addLast(c)
-                addNewLine()
-            }
-
-            !inQuotes && (c == '}' || c == ']') -> {
-                indentSymbolStack.removeLast()
-                if (lastChar != ',') {
-                    addNewLine()
-                }
-                ret.append(c)
-            }
-
-            !inQuotes && c == ',' -> {
-                ret.append(c)
-                addNewLine()
-            }
-
-            !inQuotes && c == ':' -> {
-                ret.append(c)
-                ret.append(' ')
-            }
-
-            inQuotes && c == '\\' -> {
-                ret.append(c)
-                escaped = true
-                continue
-            }
-
-            !escaped && c == '"' -> {
-                ret.append(c)
-                inQuotes = !inQuotes
-            }
-
-            !inQuotes && c == ' ' -> {
-                // Do nothing -- we ignore spaces outside of quotes by default
-                // This is to ensure predictable formatting
-            }
-
-            else -> ret.append(c)
-        }
-
-        if (escaped) {
-            escaped = false
-        }
-
-        lastChar = c
-    }
-
-    return ret.toString()
-}

app/src/main/AndroidManifest.xml

@@ -63,4 +63,9 @@
         </service>
     </application>
 
+    <queries>
+        <intent>
+            <action android:name="com.google.android.euicc.action.PARTNER_CUSTOMIZATION" />
+        </intent>
+    </queries>
 </manifest>

app/src/main/java/im/angry/openeuicc/ui/SlotMappingFragment.kt

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint
 import android.os.Bundle
 import android.telephony.TelephonyManager
 import android.telephony.UiccSlotMapping
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.MenuItem
 import android.view.View
@@ -45,6 +46,10 @@ class SlotMappingFragment: BaseMaterialDialogFragment(),
     private lateinit var adapter: SlotMappingAdapter
     private lateinit var helpTextView: TextView
 
+    private val partner: Partner? by lazy {
+        Partner.getInstance(requireContext())
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -67,6 +72,12 @@ class SlotMappingFragment: BaseMaterialDialogFragment(),
         toolbar.setOnMenuItemClickListener(this)
     }
 
+    override fun onStart() {
+        super.onStart()
+        val mappings = partner?.getString("sim_slot_mappings_json")
+        Log.e(TAG, "sim_slot_mappings_json = $mappings")
+    }
+
     override fun onResume() {
         super.onResume()
         setWidthPercent(85)

app/src/main/java/im/angry/openeuicc/util/Partner.kt

@@ -0,0 +1,51 @@
+package im.angry.openeuicc.util
+
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.content.res.Resources
+import im.angry.openeuicc.BuildConfig
+
+
+class Partner {
+    companion object {
+        private const val ACTION = "com.google.android.euicc.action.PARTNER_CUSTOMIZATION"
+
+        private val instances = mutableMapOf<String, Partner?>()
+
+        private val packageFlags: Int
+            get() {
+                val flags = if (BuildConfig.DEBUG)
+                    PackageManager.MATCH_UNINSTALLED_PACKAGES else
+                    PackageManager.MATCH_SYSTEM_ONLY
+                return flags or PackageManager.MATCH_DISABLED_COMPONENTS
+            }
+
+        fun getInstance(context: Context, action: String = ACTION) = instances.getOrPut(action) {
+            context.packageManager
+                .queryBroadcastReceivers(Intent(action), packageFlags)
+                .mapNotNull { it.activityInfo?.applicationInfo }
+                .firstNotNullOfOrNull {
+                    try {
+                        context.packageManager.getResourcesForApplication(it)
+                    } catch (_: PackageManager.NameNotFoundException) {
+                        null
+                    }
+                }
+                ?.let(::Partner)
+        }
+    }
+
+    private val resources: Resources
+
+    private constructor(resources: Resources) {
+        this.resources = resources
+    }
+
+    private fun getIdentifier(name: String) =
+        resources.getIdentifier(name, null, null).takeIf { it != 0 }
+
+    fun getString(name: String) = getIdentifier(name)?.let(resources::getString)
+
+    fun getBoolean(name: String) = getIdentifier(name)?.let(resources::getBoolean)
+}