Permission denied for openning shader.glsl

[ghost]

I create a package for installing this extension in Arch Linux which install it under /usr/share/gnome-shell/extensions/blyr@yozoon.dev.gmail.com/ path. when I try to open extension preference I got following error:

Gio.IOErrorEnum: Error opening file “/usr/share/gnome-shell/extensions/blyr@yozoon.dev.gmail.com/shader.glsl”: Permission denied

Stack trace:
  ShaderEffect<._readFile@/usr/share/gnome-shell/extensions/blyr@yozoon.dev.gmail.com/effect.js:218:22
  wrapper@resource:///org/gnome/gjs/modules/lang.js:178:22
  ShaderEffect<._init@/usr/share/gnome-shell/extensions/blyr@yozoon.dev.gmail.com/effect.js:61:23
  wrapper@resource:///org/gnome/gjs/modules/lang.js:178:22
  _Base.prototype._construct@resource:///org/gnome/gjs/modules/lang.js:110:5
  Class.prototype._construct/newClassConstructor@resource:///org/gnome/gjs/modules/lang.js:213:20
  buildPrefsWidget@/usr/share/gnome-shell/extensions/blyr@yozoon.dev.gmail.com/prefs.js:63:20
  Application<._selectExtension@resource:///org/gnome/shell/extensionPrefs/main.js:91:22
  wrapper@resource:///org/gnome/gjs/modules/lang.js:178:22
  Application<._onCommandLine@resource:///org/gnome/shell/extensionPrefs/main.js:246:17
  wrapper@resource:///org/gnome/gjs/modules/lang.js:178:22
  main@resource:///org/gnome/shell/extensionPrefs/main.js:402:5
  @<main>:1:49

but by giving write permission to shader.glsl file, I can use extension successfully.
I think this is a kind of bug that must be fix.
by the way user of Arch Linux can use gnome-shell-extension-blyr-git package from AUR to install this extension. please add this to README.md file.
thanks.

[yozoon]

I updated the README with a link to the AUR package. Concerning the main issue: It looks like I'll have to rework the _readFile function. I'll let you know when I could use some help testing changes!

[yozoon]

I changed the _readFile function, so that it doesn't require write access. The functionality was tested by changing the permissions of the shader.glsl file to read-only - and in my test setup it didn't throw an error. Could you test it in your usecase to ensure proper operation?

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[ghost]

I test it and it worked correctly without any problem.
thanks