Adaptation of the original PdfViewer app to work as a library (fork of
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octocorvus 0c6dcd35a7 Revert "Update pdf.js to v3.2.146"
This reverts commit e34c727ff7.

Temporarily revert pdf.js update as versions equal to or greater
than this breaks our text layer rendering.
2023-02-27 10:56:06 -05:00
.github update to JDK 19 2022-10-19 19:27:19 -04:00
app Always shows previous and next page button in any Display size 2023-02-19 10:01:40 -05:00
gradle update Gradle to 8.0.1 2023-02-24 15:37:12 -05:00
third_party Revert "Update pdf.js to v3.2.146" 2023-02-27 10:56:06 -05:00
.gitignore use Gradle Kotlin DSL 2021-11-21 15:10:47 -05:00
.gitmodules add pdfjs-dist submodule and symlink minified files 2022-01-22 22:12:31 -05:00
build.gradle.kts update Kotlin to 1.8.10 2023-02-04 07:06:08 -05:00 disable obsolete jetifier 2021-11-21 16:55:27 -05:00
gradlew update Gradle to 8.0.1 2023-02-24 15:37:12 -05:00
gradlew.bat update Gradle to 7.6 2022-12-09 08:48:17 -05:00
LICENSE update copyright notice 2023-02-01 23:37:39 -05:00
PDFJS_LICENSE initial commit with overhauled / rebranded project 2019-06-27 23:22:08 -04:00 add README based on release notes 2020-05-27 19:11:43 -04:00
settings.gradle.kts use Gradle Kotlin DSL 2021-11-21 15:10:47 -05:00

Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions. The PDF stream is fed into the sandboxed WebView without giving it access to content or files. Content-Security-Policy is used to enforce that the JavaScript and styling properties within the WebView are entirely static content from the apk assets. It reuses the hardened Chromium rendering stack while only exposing a tiny subset of the attack surface compared to actual web content. The PDF rendering code itself is memory safe with dynamic code evaluation disabled, and even if an attacker did gain code execution by exploiting the underlying web rendering engine, they're within the Chromium renderer sandbox with no access to the network (unlike a browser), files, or other content.