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Refactor and add secure storage module
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61 changes: 61 additions & 0 deletions
61
packages/celest_auth/android/src/main/kotlin/dev/celest/celest_auth/CelestSecureStorage.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package dev.celest.celest_auth | ||
|
|
||
| import android.annotation.SuppressLint | ||
| import android.app.Activity | ||
| import android.content.SharedPreferences | ||
| import androidx.annotation.Keep | ||
| import androidx.annotation.Nullable | ||
| import androidx.security.crypto.EncryptedSharedPreferences | ||
| import androidx.security.crypto.MasterKey | ||
|
|
||
| // TODO(dnys1): Exclude from backup: | ||
| // - https://developer.android.com/reference/androidx/security/crypto/EncryptedSharedPreferences | ||
| // - https://developer.android.com/guide/topics/data/autobackup#IncludingFiles | ||
| @Keep | ||
| class CelestSecureStorage(private val mainActivity: Activity) { | ||
|
|
||
| private val sharedPreferences: SharedPreferences by lazy { | ||
| val masterKey = MasterKey.Builder(mainActivity) | ||
| .setKeyScheme(MasterKey.KeyScheme.AES256_GCM) | ||
| .build() | ||
| val sharedPreferences = EncryptedSharedPreferences.create( | ||
| mainActivity, | ||
| "auth_secrets", | ||
| masterKey, | ||
| EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV, | ||
| EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM, | ||
| ) | ||
| sharedPreferences | ||
| } | ||
|
|
||
| private val editor: SharedPreferences.Editor | ||
| get() = sharedPreferences.edit() | ||
|
|
||
| fun write(dataKey: String, value: String?) { | ||
| with(editor) { | ||
| putString(dataKey, value) | ||
| apply() | ||
| } | ||
| } | ||
|
|
||
| fun read(dataKey: String): String? = sharedPreferences.getString(dataKey, null) | ||
|
|
||
| fun readAll(): Map<String, String> = sharedPreferences.all.mapValues { it.value as String } | ||
|
|
||
| fun delete(dataKey: String): String? { | ||
| val current = read(dataKey) | ||
| with(editor) { | ||
| remove(dataKey) | ||
| apply() | ||
| } | ||
| return current | ||
| } | ||
|
|
||
| fun clear() { | ||
| with(editor) { | ||
| clear() | ||
| apply() | ||
| } | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| name: CoreFoundation | ||
| description: | | ||
| Bindings for Core Foundation on iOS/macOS. | ||
| Regenerate bindings with `dart run ffigen --config=ffigen.core_foundation.yaml`. | ||
| language: "c" | ||
| output: | ||
| bindings: "lib/src/native/darwin/core_foundation.ffi.dart" | ||
| compiler-opts: | ||
| - "-F/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks" | ||
| headers: | ||
| entry-points: | ||
| - "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreFoundation.framework/Headers/CFDictionary.h" | ||
| - "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreFoundation.framework/Headers/CFString.h" | ||
| - "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreFoundation.framework/Headers/CFData.h" | ||
| preamble: | | ||
| // ignore_for_file: type=lint | ||
| // ignore_for_file: return_of_invalid_type | ||
| // ignore_for_file: unnecessary_non_null_assertion | ||
| comments: | ||
| style: any | ||
| length: full | ||
|
|
||
| ffi-native: | ||
| exclude-all-by-default: true | ||
| typedefs: | ||
| include: | ||
| - "CF.*" | ||
| globals: | ||
| include: | ||
| - "kCF.*" | ||
| functions: | ||
| include: | ||
| - CFDictionaryCreate | ||
| - CFDataCreate | ||
| - CFStringGetCStringPtr | ||
| - CFStringGetCString | ||
| - CFStringGetLength | ||
| - CFStringGetMaximumSizeForEncoding | ||
| - CFStringCreateWithCString | ||
| - CFDataGetBytePtr | ||
| - CFRelease | ||
| structs: | ||
| rename: | ||
| "__CFString": CFString | ||
| "__CFData": CFData | ||
| "__CFDictionary": CFDictionary | ||
| unnamed-enums: | ||
| include: | ||
| - "kCF.*" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| name: SecurityFramework | ||
| description: | | ||
| Bindings for Security framework on iOS/macOS. | ||
| Regenerate bindings with `dart run ffigen --config=ffigen.security.yaml`. | ||
| language: "c" | ||
| output: | ||
| bindings: "lib/src/native/darwin/security.ffi.dart" | ||
| compiler-opts: | ||
| - "-F/System/Volumes/Data/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks" | ||
| headers: | ||
| entry-points: | ||
| - "/System/Volumes/Data/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/SecItem.h" | ||
| preamble: | | ||
| // ignore_for_file: type=lint | ||
| // ignore_for_file: return_of_invalid_type | ||
| // ignore_for_file: unnecessary_non_null_assertion | ||
| comments: | ||
| style: any | ||
| length: full | ||
| library-imports: | ||
| cf: "package:celest_auth/src/native/darwin/core_foundation.ffi.dart" | ||
|
|
||
| ffi-native: | ||
| exclude-all-by-default: true | ||
| functions: | ||
| include: | ||
| - SecItemAdd | ||
| - SecItemUpdate | ||
| - SecItemCopyMatching | ||
| - SecItemDelete | ||
| - SecCopyErrorMessageString | ||
| globals: | ||
| include: | ||
| - "kSec.*" | ||
| - "kCF.*" | ||
| unnamed-enums: | ||
| include: | ||
| - errSecSuccess | ||
| - errSecItemNotFound | ||
| - errSecDuplicateItem | ||
| - errSecUserCanceled | ||
| - errSecAuthFailed | ||
| - errSecInteractionRequired | ||
| - errSecMissingEntitlement | ||
| - errSecInvalidOwnerEdit | ||
| type-map: | ||
| typedefs: | ||
| CFString: | ||
| lib: cf | ||
| c-type: CFString | ||
| dart-type: CFString | ||
| CFType: | ||
| lib: cf | ||
| c-type: CFType | ||
| dart-type: CFType | ||
| CFData: | ||
| lib: cf | ||
| c-type: CFData | ||
| dart-type: CFData | ||
| CFDictionary: | ||
| lib: cf | ||
| c-type: CFDictionary | ||
| dart-type: CFDictionary | ||
| CFStringRef: | ||
| lib: cf | ||
| c-type: CFStringRef | ||
| dart-type: CFStringRef | ||
| CFTypeRef: | ||
| lib: cf | ||
| c-type: CFTypeRef | ||
| dart-type: CFTypeRef | ||
| CFDictionaryRef: | ||
| lib: cf | ||
| c-type: CFDictionaryRef | ||
| dart-type: CFDictionaryRef |
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