Compare commits
5 Commits
Author | SHA1 | Date | |
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124c997fa3 | |||
d02c2df160 | |||
1ffadcf583 | |||
c626629ade | |||
ed6dcbee7a |
@ -1,16 +1,14 @@
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pipeline:
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lint:
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analysis:
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image: dart:3.0.7
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commands:
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# Proxy requests to pub.dev using pubcached
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- PUB_HOSTED_URL=http://172.17.0.1:8000 dart pub get
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- dart analyze --fatal-infos --fatal-warnings
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test:
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image: dart:3.0.7
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commands:
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# Proxy requests to pub.dev using pubcached
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- PUB_HOSTED_URL=http://172.17.0.1:8000 dart pub get
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- dart test
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when:
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path:
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includes: ['lib/**', 'test/**']
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notify:
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image: git.polynom.me/papatutuwawa/woodpecker-xmpp
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settings:
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@ -71,3 +71,7 @@ This version is a complete rework of omemo_dart!
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- Remove `added` and `replaced` from the data passed to the `CommitRatchetsCallback`
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- Added a list of newly added and replaced ratchets to the encryption and decryption results. This is useful for displaying messages like "Contact added a new device"
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## 0.6.0
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- Bump dependencies to fix running with never version of Dart
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@ -17,7 +17,7 @@ void main() async {
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// implements "Blind Trust Before Verification". To make things simpler, we keep
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// no persistent data and can thus use the MemoryBTBVTrustManager. If we wanted to keep
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// the state, we would have to override BlindTrustBeforeVerificationTrustManager.
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MemoryBTBVTrustManager(),
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BlindTrustBeforeVerificationTrustManager(),
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// This function is called whenever we need to send an OMEMO heartbeat to [recipient].
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// [result] is the encryted data to include. This needs to be wired into your XMPP library's
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// OMEMO implementation.
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@ -41,9 +41,7 @@ void main() async {
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(device) async {},
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);
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// Alice now wants to chat with Bob at his bare Jid "bob@other.server". To make things
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// simple, we just generate the identity bundle ourselves. In the real world, we would
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// request it using PEP and then convert the device bundle into a OmemoBundle object.
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// Bob, on his side, also creates an [OmemoManager] similar to Alice.
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final bobManager = OmemoManager(
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await OmemoDevice.generateNewDevice(bobJid),
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BlindTrustBeforeVerificationTrustManager(),
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@ -51,10 +49,13 @@ void main() async {
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(jid) async => [],
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(jid, id) async => null,
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(jid) async {},
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(device) async {},
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);
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// Alice prepares to send the message to Bob, so she builds the message stanza and
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// collects all the children of the stanza that should be encrypted into a string.
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// Note that this leaves out the wrapping stanza, i.e. if we want to send a <message />
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// we only include the <message />'s children.
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const aliceMessageStanzaBody = '''
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<body>Hello Bob, it's me, Alice!</body>
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<super-secret-element xmlns='super-secret-element' />
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@ -75,10 +76,10 @@ void main() async {
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</envelope>
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''';
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// Since Alice has no open session with Bob, we need to tell the session manager to build
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// it when sending the message.
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final message = await aliceSession.onOutgoingStanza(
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OmemoOutgoingStanza(
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// Next, we encrypt the envelope element using Alice's [OmemoManager]. It will
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// automatically attempt to fetch the device bundles of Bob.
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final message = await aliceManager.onOutgoingStanza(
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const OmemoOutgoingStanza(
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// The bare receiver Jid
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[bobJid],
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@ -87,17 +88,15 @@ void main() async {
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),
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);
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// In a proper implementation, we should also do some error checking here.
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// In a proper implementation, we would also do some error checking here.
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// Alice now builds the actual message stanza for Bob
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final payload = base64.encode(message.ciphertext!);
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final aliceDevice = await aliceSession.getDevice();
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// ignore: unused_local_variable
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final bobDevice = await bobSession.getDevice();
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final aliceDevice = await aliceManager.getDevice();
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// Since we know we have just one key for Bob, we take a shortcut. However, in the real
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// world, we have to serialise every EncryptedKey to a <key /> element and group them
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// per Jid.
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final key = message.encryptedKeys[0];
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final key = message.encryptedKeys[bobJid]![0];
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// Note that the key's "kex" attribute refers to key.kex. It just means that the
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// encrypted key also contains the required data for Bob to build a session with Alice.
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@ -107,7 +106,7 @@ void main() async {
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<encrypted xmlns='urn:xmpp:omemo:2'>
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<header sid='${aliceDevice.id}'>
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<keys jid='$bobJid'>
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<key rid='${key.rid} kex='true'>
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<key rid='${key.rid} kex='${key.kex}'>
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${key.value}
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</key>
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</keys>
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@ -125,7 +124,7 @@ void main() async {
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// Bob now receives an OMEMO encrypted message from Alice and wants to decrypt it.
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// Since we have just one key, let's just deserialise the one key by hand.
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final keys = [
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EncryptedKey(bobJid, key.rid, key.value, true),
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EncryptedKey(key.rid, key.value, true),
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];
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// Bob extracts the payload and attempts to decrypt it.
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@ -134,14 +133,9 @@ void main() async {
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OmemoIncomingStanza(
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// The bare sender JID of the message. In this case, it's Alice's.
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aliceJid,
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// The 'sid' attribute of the <header /> element. Here, we know that Alice only has one device.
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aliceDevice.id,
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// Time the message was sent. Since the message was not delayed, we use the
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// current time.
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DateTime.now().millisecondsSinceEpoch,
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/// The decoded <key /> elements. from the header. Note that we only include the ones
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/// relevant for Bob, so all children of <keys jid='$bobJid' />.
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keys,
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36
flake.lock
36
flake.lock
@ -1,12 +1,15 @@
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{
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"nodes": {
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"flake-utils": {
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"inputs": {
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"systems": "systems"
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},
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"locked": {
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"lastModified": 1656065134,
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"narHash": "sha256-oc6E6ByIw3oJaIyc67maaFcnjYOz1mMcOtHxbEf9NwQ=",
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"lastModified": 1692799911,
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"narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
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"owner": "numtide",
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"repo": "flake-utils",
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"rev": "bee6a7250dd1b01844a2de7e02e4df7d8a0a206c",
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"rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
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"type": "github"
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},
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"original": {
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@ -17,16 +20,16 @@
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},
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"nixpkgs": {
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"locked": {
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"lastModified": 1657540956,
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"narHash": "sha256-ihGbOFWtAkENwxBE5kV/yWt2MncvW+BObLDsmxCLo/Q=",
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"owner": "NANASHI0X74",
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"lastModified": 1727586919,
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"narHash": "sha256-e/YXG0tO5GWHDS8QQauj8aj4HhXEm602q9swrrlTlKQ=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "043de04db8a6b0391b3fefaaade160514d866946",
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"rev": "2dcd9c55e8914017226f5948ac22c53872a13ee2",
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"type": "github"
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},
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"original": {
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"owner": "NANASHI0X74",
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"ref": "flutter-3-0-0",
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"owner": "NixOS",
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"ref": "nixpkgs-unstable",
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"repo": "nixpkgs",
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"type": "github"
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}
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@ -36,6 +39,21 @@
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"flake-utils": "flake-utils",
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"nixpkgs": "nixpkgs"
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}
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},
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"systems": {
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"locked": {
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"lastModified": 1681028828,
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"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
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"owner": "nix-systems",
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"repo": "default",
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"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
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"type": "github"
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},
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"original": {
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"owner": "nix-systems",
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"repo": "default",
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"type": "github"
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}
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}
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},
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"root": "root",
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@ -1,7 +1,7 @@
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{
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description = "omemo_dart";
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inputs = {
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nixpkgs.url = "github:NANASHI0X74/nixpkgs/flutter-3-0-0";
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system: let
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26
pubspec.yaml
26
pubspec.yaml
@ -1,27 +1,27 @@
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name: omemo_dart
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description: An XMPP library independent OMEMO library
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version: 0.5.1
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version: 0.6.0
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homepage: https://github.com/PapaTutuWawa/omemo_dart
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publish_to: https://git.polynom.me/api/packages/PapaTutuWawa/pub
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environment:
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sdk: '>=2.17.0 <3.0.0'
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sdk: ">=3.0.0 <4.0.0"
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dependencies:
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collection: ^1.16.0
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cryptography: ^2.0.5
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collection: ^1.18.0
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cryptography: ^2.7.0
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hex: ^0.2.0
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logging: ^1.0.2
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meta: ^1.7.0
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logging: ^1.2.0
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meta: ^1.15.0
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moxlib:
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version: ^0.2.0
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hosted: https://git.polynom.me/api/packages/Moxxy/pub
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pinenacl: ^0.5.1
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protobuf: ^2.1.0
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protoc_plugin: ^20.0.1
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synchronized: ^3.0.0+2
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pinenacl: ^0.6.0
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protobuf: ^3.1.0
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protoc_plugin: ^21.1.2
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synchronized: ^3.3.0+3
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dev_dependencies:
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lints: ^2.0.0
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test: ^1.21.0
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very_good_analysis: ^3.0.1
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lints: ^5.0.0
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test: ^1.25.8
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very_good_analysis: ^6.0.0
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