90 lines
2.8 KiB
Kotlin
90 lines
2.8 KiB
Kotlin
package net.helcel.fidelity.pluginSDK
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import android.content.Context
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import android.content.SharedPreferences
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import androidx.core.content.edit
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import org.json.JSONArray
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import org.json.JSONException
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object AccessManager {
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private const val PREF_KEY_SCOPE = "scope"
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private const val PREF_KEY_TOKEN = "token"
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private const val PREF_HOSTS = "KP2A.PluginAccess.hosts"
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private fun stringArrayToString(values: ArrayList<String?>): String? {
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if (values.isEmpty()) return null
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val a = JSONArray()
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values.forEach { a.put(it) }
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return a.toString()
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}
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private fun stringToStringArray(s: String?): ArrayList<String> {
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val strings = ArrayList<String>()
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if (s.isNullOrEmpty()) return strings
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try {
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val a = JSONArray(s)
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for (i in 0 until a.length())
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strings.add(a.optString(i))
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} catch (e: JSONException) {
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e.printStackTrace()
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}
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return strings
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}
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fun storeAccessToken(
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ctx: Context,
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hostPackage: String?,
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accessToken: String?,
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scopes: ArrayList<String?>
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) {
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getPrefsForHost(ctx, hostPackage).edit {
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putString(PREF_KEY_TOKEN, accessToken)
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putString(PREF_KEY_SCOPE, stringArrayToString(scopes))
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}
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val hostPrefs = ctx.getSharedPreferences(PREF_HOSTS, Context.MODE_PRIVATE)
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if (!hostPrefs.contains(hostPackage))
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hostPrefs.edit { putString(hostPackage, "") }
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}
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private fun getPrefsForHost(
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ctx: Context,
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hostPackage: String?
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): SharedPreferences {
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return ctx.getSharedPreferences("KP2A.PluginAccess.$hostPackage", Context.MODE_PRIVATE)
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}
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fun tryGetAccessToken(ctx: Context, hostPackage: String?, scopes: ArrayList<String?>): String? {
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if (hostPackage.isNullOrEmpty()) return null
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val prefs = getPrefsForHost(ctx, hostPackage)
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val scopesString = prefs.getString(PREF_KEY_SCOPE, "")
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val currentScope = stringToStringArray(scopesString)
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if (!isSubset(scopes, currentScope))
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return null
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return prefs.getString(PREF_KEY_TOKEN, null)
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}
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private fun isSubset(
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requiredScopes: ArrayList<String?>,
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availableScopes: ArrayList<String>
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): Boolean {
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return availableScopes.containsAll(requiredScopes)
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}
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fun removeAccessToken(
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ctx: Context, hostPackage: String?,
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accessToken: String?
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) {
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val prefs = getPrefsForHost(ctx, hostPackage)
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if (prefs.getString(PREF_KEY_TOKEN, "") == accessToken)
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prefs.edit { clear() }
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val hostPrefs = ctx.getSharedPreferences(PREF_HOSTS, Context.MODE_PRIVATE)
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if (hostPrefs.contains(hostPackage))
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hostPrefs.edit { remove(hostPackage) }
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}
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}
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