Blog - LINE ENGINEERING

TAG ARCHIVES: Open Source

Make your GitHub contributions calendar greener (featuring Armeria Sprint)!
SeoYeon Lee2019-05-14
I'm responsible for open source projects at LINE
Hi, there! Do any of you need to make lots and lots of commits to turn your GitHub contribution calendar into a pastureland? If that's the case, I proudly present Armeria Sprint! Let me give you some ideas on what Armeria Sprint is and share reviews from our enthusiastic participants. You've probably come across a sprint at technical conferences such as PyCON Development Sprints before. Or, you might just find the term, sprint, familiar because it appears in Agile soft
- Armeria
- Open Source
Thank you for contributing to Armeria!
SeoYeon Lee2019-04-16
I'm responsible for open source projects at LINE
Hello to the readers! I'd like to share with you the first ever Armeria Contributor Reward Event and how it went. For this posting, I'm not going to elaborate on the technical aspects of Armeria. To learn more about its technology and features, please visit the official website for Armeria.The Armeria project was initially developed by LINE but went to open source later. Even though the project was initiated by LINE, Armeria is where it is now thanks to participation fro
- Armeria
- Open Source
FIDO at LINE: A First Step to a World Without Passwords
Kieun Shin2018-12-07
I am working at LINE as a security software engineer and in charge of advanced authentication technologies including FIDO project. Since 2015, I've been a member of FIDO Alliance and contributing to the FIDO specifications and W3C WebAuthn standards.
Getting closer to a world without passwords Today we are happy to announce that LINE has achieved the world’s first FIDO Universal Server certification (as a service provider1) for our authentication server — LINE Authentication Server. With FIDO authentication, LINE users can sign in and authenticate both using biometrics (for example, face and fingerprint), as well as with external hardware tokens like Yubikey and Google Titan key. Regardless of the
Making a basic server with Java & Armeria
InSeong2018-09-13
LINE Engineer
.bl_content pre code {padding: 0;line-height: 11px} As some of you know already, LINE has been actively open-sourcing projects including Armeria and Central Dogma. Today, I'd like to share a bit about Armeria and setting up a simple web server using Armeria. To follow the instructions, you need to have Java and IntelliJ IDEA installed, which can be downloaded from the following links: Java Development Kit IntelliJ IDEA Create a project Let us begin by creating a project. First, run IntelliJ ID
How Promgen routes notifications
Paul Traylor2018-08-06
Currently working on making server monitoring and alerting easier for developers to use.
I'm Paul Traylor in LINE Fukuoka's Development Department where I focus on tooling to monitor many servers used to support LINE family apps. One of my main tasks is to maintain Promgen which is a tool for managing Prometheus targets and routing alerts to the correct team.How Prometheus and AlertManager process alerts Prometheus uses labels for many things, from writing PromQL to routing alerts, so understanding how labels are used is important to understanding how alerts are routed. Let's begi
- Open Source
- Prometheus
'Let’s Contribute OSS!' for LINE's frontend engineers
kawasako2018-05-30
I am in charge of Web analytics.
Hi there you all, this is Kawasako from Frontend Standardization team in LINE. Our team is in charge of developing tools that are commonly required by the frontend development team, for developing products. Also we seek ways to boost information sharing and communication between developers. I'd like to take this opportunity to introduce our work and our recent workshop. LINE's developers, regardless of their office location, can make use of various packages registered, with Private npm (N
Buffer overflow in PJSIP, a VoIP open source library
Kim Youngsung2018-02-26
He's a security engineer at LINE. He enjoys looking for bugs and is highly interested in secure coding.
Hi all, I am Youngsung Kim (Facebook, Twitter) of the Application Security team at LINE and am in charge of evaluating security of LINE services. On this post, I'd like to share a vulnerability (CVE-2017-16872, AST-2017-009) of PJSIP, a VoIP open source library. PJSIP is a multimedia communication library based on the following standard protocols; SIP, SDP, RTP, STUN, TURN, and ICE. The Asterisk framework, widely used on IP-PBX and VoPI gateway has an SIP stack implemented based on PJSIP.
The Road to Releasing LINE Trial Bot SDK
Matsuno Tokuhiro(tokuhirom)2016-06-14
Fellow of the Business Platform Development
Introduction Hello, my name is Matsuno and I work at LINE. LINE BOT API Trial accounts were announced a few days ago, receiving a warm welcome from developers all over the world. Previously only available to developers working at companies who were under contract with LINE, now any individual developer can freely start developing their own project with their own LINE bot account.In this post, I would like to talk about why we decided to start development on a LINE BOT API Trial account SDK and h
- Open Source
Open-sourcing Armeria
Lee Heuiseung (trustin)2016-04-13
He is the founder of Netty and a co-founder of Apache MINA.
Armeria is an asynchronous RPC/API client-server implementation built on top of Java 8 and Netty that went open-source last November under Apache License 2.0 by LINE Corporation. Its primary goal is to help engineers build high-performance asynchronous Thrift clients and servers that use HTTP/2 as a session layer protocol, although it is designed to be protocol-agnostic and highly extensible (for example, you can serve a directory of static files via HTTP/2 and run Java EE web applications). In
- Armeria
- Open Source

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