Trying to build an Open Source browser in 2020
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A lot of things have been developed over the last 15 years that should make the process of making a browser easier. In this talk we will explore a bunch of different tools, platforms and libraries that could go into making a browser in 2020. We will also see a live demo of a simple browser built with these OSS projects. We will also discuss the limitations and future work needed to make this work in practice.
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Trying to build an Open Source browser in 2020
- 3. @pati_gallardo TurtleSec But I have no money At least not for this... 3
- 4. @pati_gallardo TurtleSec What does it take? - Development needs people = money - Maintenance needs people = money - Hosting = money 4
- 5. @pati_gallardo TurtleSec What is the “browser business model”? Google Search About 1$ per user/year… maybe 5
- 6. @pati_gallardo TurtleSec I don’t have a deal now at least Google is only interested once you have users There is no bootstrapping process 6
- 7. @pati_gallardo TurtleSec 0 budget1 dev Open Source Heh... More a stunt than a plan 7
- 9. @pati_gallardo Turtle Sec Trying to build an Open Source browser in 2020 Patricia Aas TechTown 2020
- 10. @pati_gallardo Turtle Sec Patricia Aas - Trainer & Consultant C++ Programmer, Application Security Currently : TurtleSec Previously : Vivaldi, Cisco Systems, Knowit, Opera Software Master in Computer Science Pronouns: she/her First job, first browserSecondThird Fourth
- 11. @pati_gallardo TurtleSec @pati_gallardo Clearly, I have a thing for browsers 11
- 12. @pati_gallardo TurtleSec @pati_gallardo Why? Technically challenging I use it myself Lots of other users I believe in the web 12
- 13. @pati_gallardo TurtleSec @pati_gallardo Outside of Firefox this is the general landscape of browsers in 2020... 13
- 14. @pati_gallardo TurtleSec Konqueror Safari Chrome Edge Opera KHTML Webkit Blink KDE Apple Google Vivaldi Chromium 14
- 15. @pati_gallardo Then I made a toy browser A bit by accident 15
- 16. Isolating GPU Access in its own process Patricia Aas, TurtleSec NDC TechTown 2018 Turtle Sec @pati_gallardo
- 17. Demo of Composition ...I might have made a browser... ...I might have decided to have a demo last night... Turtle Sec @pati_gallardo 2018 Slide
- 19. @pati_gallardo TurtleSec @pati_gallardo I was doing on-prem international trainings March 2020: everything got canceled 19
- 20. @pati_gallardo TurtleSec So… I guess I suddenly have some time? 20
- 22. @pati_gallardo TurtleSec Skimming the surface Bring-up time is Queen No time for Depth First 22 So, if the last 10% of functionality is 90% of the time... ..then the first 90% is 10% of the time, right?
- 24. @pati_gallardo TurtleSec @pati_gallardo Qt ( C++ ) Qml 24
- 25. @pati_gallardo TurtleSec @pati_gallardo C++ for business logic Qml for GUI 25
- 26. @pati_gallardo TurtleSec What does Qml look like? Imagine if JSON, JavaScript and CSS had a baby... 26
- 27. @pati_gallardo TurtleSec WebPage.qml import QtQml 2.15 import QtQuick.Controls 2.15 import QtQuick.Layouts 1.15 import QtWebEngine 1.10 import "url.js" as URL ColumnLayout { AddressBar { url: webView.url onReload: webView.reload() onBack: webView.goBack() onForward: webView.goForward() onGoToAddress: webView.typedText = address } WebEngineView { id: webView property string typedText: "" onTypedTextChanged: { webView.url = URL.construct(typedText) } } } @pati_gallardo Importing Qml modules Importing JS files Custom Qml Component Defined in a file in this directory QtWebEngine Component Imported on line 4 27
- 28. @pati_gallardo TurtleSec Advantage of Qml Easy to change the GUI 28
- 30. @pati_gallardo TurtleSec @pati_gallardo Chromium Blink QtWebEngine This bit will get complicated 30
- 38. @pati_gallardo TurtleSec @pati_gallardo conan-cache GitHub Action Hack Stuff .conan into git Push it to GitHub GitHub LFS 38
- 39. @pati_gallardo TurtleSec @pati_gallardo Docker Action JavaScript Action Docker Actions are Linux only! 39
- 40. @pati_gallardo TurtleSec @pati_gallardo Hack Call shell script from JavaScript 40
- 44. @pati_gallardo TurtleSec @pati_gallardo Chromium Qt Pretty Safe Maneuverable Remember, we have no money 44
- 45. @pati_gallardo TurtleSec @pati_gallardo - Collect Conan licenses - Make qrc - Make GUI to display - MONITOR 45
- 46. @pati_gallardo TurtleSec MVP Build/Tests Window“Update” Webview ShortcutsPackaging WebView TabsLicenses 46
- 53. @pati_gallardo TurtleSec Web Autocomplete Tab cyclingFind in Page Menu/middle clickNotifications Certificates Url/load displayDialogs 53
- 55. @pati_gallardo TurtleSec Alpha Custom Shortcuts AccessibilitySessions Design/StylingDevTools UPDATE Webview LanguagesDownloads 55
- 60. @pati_gallardo TurtleSec How Qt has designed it Start of 2020 Qt5.14 Qt5.15 7780 Chromium 2019 77 80 By the time a new Qt version is released the Chromium version is almost a year old. 60
- 61. @pati_gallardo TurtleSec @pati_gallardo Chromium browser releases have to follow Chromium releases. NOT Qt releasesWe’re not going to play browser 61
- 62. @pati_gallardo TurtleSec How it has to be 81 82 83 84 8588 87 86 Qt5.15 Qt5.14 80Start of 2020 Chrome Vivaldi 77 62
- 64. @pati_gallardo TurtleSec @pati_gallardo ● Platform specific ● Qt has disabled ● Process architecture different 64
- 65. @pati_gallardo TurtleSec NS(User) NS(Pid)NS(Net)Web Network Filesystem System Calls chroot seccomp, capset Resources setrlimit Linux 65
- 67. @pati_gallardo TurtleSec @pati_gallardo - Codec Patents - Free ffmpeg - QtMultimedia? 67
- 70. @pati_gallardo TurtleSec Beta Bookmarks HistoryNew page GUI E ensionsPanel Crash Reporting PrintingAuto Update 70
- 73. @pati_gallardo TurtleSec Server Issue reportLinux browser Stack tracesMacOS browser DeduplicationWindows browser 73
- 77. @pati_gallardo TurtleSec Mobile UX Intent integrationTesting Intro ScreenApproval Android build iOS buildFeedback 77
- 79. @pati_gallardo TurtleSec Making a browser is not a one person job Just to keep up with Chromium is a full/part-time job But you can get pretty far with just one person And little or no money 79
- 80. @pati_gallardo TurtleSec We need a way to pay for Open Source Software GitHub Sponsor? 80
- 81. @pati_gallardo TurtleSec 0 budget1 dev Open Source TurtleBrowser It kinda works? 81
- 83. @pati_gallardo Turtle Sec Questions? Photos from pixabay.com Patricia Aas, TurtleSec