diff options
Diffstat (limited to 'modules/web/chromium/extensions')
| -rw-r--r-- | modules/web/chromium/extensions/default.nix | 2 | ||||
| -rw-r--r-- | modules/web/chromium/extensions/inject_extension_key.lua | 94 | ||||
| -rw-r--r-- | modules/web/chromium/extensions/lib.nix | 3 |
3 files changed, 53 insertions, 46 deletions
diff --git a/modules/web/chromium/extensions/default.nix b/modules/web/chromium/extensions/default.nix index 1b457c8..a7b1e91 100644 --- a/modules/web/chromium/extensions/default.nix +++ b/modules/web/chromium/extensions/default.nix @@ -5,8 +5,6 @@ ... }: let - cfg = config.web.chromium; - extLib = import ./lib.nix { inherit lib pkgs config; }; diff --git a/modules/web/chromium/extensions/inject_extension_key.lua b/modules/web/chromium/extensions/inject_extension_key.lua index 41c631d..f5c8c2b 100644 --- a/modules/web/chromium/extensions/inject_extension_key.lua +++ b/modules/web/chromium/extensions/inject_extension_key.lua @@ -3,70 +3,76 @@ -- extension's public key, and rewrite it. local dkjson = require("dkjson") -local manifest_path = assert(arg[1], "usage: inject_extension_key.lua <manifest> <ext_key>") -local ext_key = assert(arg[2], "usage: inject_extension_key.lua <manifest> <ext_key>") +local manifest_path = assert(arg[1], "usage: inject_extension_key.lua <manifest> <extension_key>") +local extension_key = assert(arg[2], "usage: inject_extension_key.lua <manifest> <extension_key>") -local f = assert(io.open(manifest_path, "r")) -local content = f:read("*a") -f:close() +local manifest_file = assert(io.open(manifest_path, "r")) +local manifest_content = manifest_file:read("*a") +manifest_file:close() -- Hand-rolled scanner that removes // and /* */ comments and mid-JSON -- trailing commas while respecting string literals (including escapes). -local sb = {} -local i, n = 1, #content -local in_string = false +local sanitized_chunks = {} +local character_position = 1 +local content_length = #manifest_content +local inside_string_literal = false local function trim_trailing_comma() - while #sb > 0 and (sb[#sb] == " " or sb[#sb] == "\t" or sb[#sb] == "\n" or sb[#sb] == "\r") do - sb[#sb] = nil + while #sanitized_chunks > 0 do + local last_chunk = sanitized_chunks[#sanitized_chunks] + if last_chunk ~= " " and last_chunk ~= "\t" and last_chunk ~= "\n" and last_chunk ~= "\r" then + break + end + sanitized_chunks[#sanitized_chunks] = nil end - if #sb > 0 and sb[#sb] == "," then - sb[#sb] = nil + if #sanitized_chunks > 0 and sanitized_chunks[#sanitized_chunks] == "," then + sanitized_chunks[#sanitized_chunks] = nil end end -while i <= n do - local c = content:sub(i, i) - if in_string then - sb[#sb + 1] = c - if c == "\\" and i < n then - sb[#sb + 1] = content:sub(i + 1, i + 1) - i = i + 2 +while character_position <= content_length do + local current_character = manifest_content:sub(character_position, character_position) + if inside_string_literal then + sanitized_chunks[#sanitized_chunks + 1] = current_character + if current_character == "\\" and character_position < content_length then + -- Preserve escaped characters verbatim so escape sequences are not split. + sanitized_chunks[#sanitized_chunks + 1] = manifest_content:sub(character_position + 1, character_position + 1) + character_position = character_position + 2 else - if c == '"' then - in_string = false + if current_character == '"' then + inside_string_literal = false end - i = i + 1 + character_position = character_position + 1 end else - local two = content:sub(i, i + 1) - if c == '"' then - in_string = true - sb[#sb + 1] = c - i = i + 1 - elseif two == "//" then - local nl = content:find("\n", i) or (n + 1) - i = nl - elseif two == "/*" then - local close = content:find("%*/", i + 2) - if not close then + local character_pair = manifest_content:sub(character_position, character_position + 1) + if current_character == '"' then + inside_string_literal = true + sanitized_chunks[#sanitized_chunks + 1] = current_character + character_position = character_position + 1 + elseif character_pair == "//" then + local line_end_position = manifest_content:find("\n", character_position) or (content_length + 1) + character_position = line_end_position + elseif character_pair == "/*" then + local comment_end_position = manifest_content:find("%*/", character_position + 2) + if not comment_end_position then break end - i = close + 2 - elseif c == "]" or c == "}" then + character_position = comment_end_position + 2 + elseif current_character == "]" or current_character == "}" then trim_trailing_comma() - sb[#sb + 1] = c - i = i + 1 + sanitized_chunks[#sanitized_chunks + 1] = current_character + character_position = character_position + 1 else - sb[#sb + 1] = c - i = i + 1 + sanitized_chunks[#sanitized_chunks + 1] = current_character + character_position = character_position + 1 end end end -local data = dkjson.decode(table.concat(sb)) -data.key = ext_key +local manifest_data = dkjson.decode(table.concat(sanitized_chunks)) +manifest_data.key = extension_key -f = assert(io.open(manifest_path, "w")) -f:write(dkjson.encode(data, { indent = true })) -f:close() +manifest_file = assert(io.open(manifest_path, "w")) +manifest_file:write(dkjson.encode(manifest_data, { indent = true })) +manifest_file:close() diff --git a/modules/web/chromium/extensions/lib.nix b/modules/web/chromium/extensions/lib.nix index 11ec204..7059b35 100644 --- a/modules/web/chromium/extensions/lib.nix +++ b/modules/web/chromium/extensions/lib.nix @@ -21,10 +21,13 @@ nativeBuildInputs = [ config.file-management.ouch.package + # TODO: Switch to using cjson. As we are already using it for other + # scripts like eww (pkgs.luajit.withPackages (ps: [ ps.dkjson ])) ]; dontUnpack = true; + # TODO: Move this into its own file buildPhase = '' runHook preBuild mkdir -p $out |