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fix(scrapers): cookie fast paths, centralized storage, and reauth hardening (#363)

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## Problem

Scraper cookie handling was fragmented across per-platform files with no
shared access, httpx scrapers lacked `checking_login` fast paths on
login, and several re-auth edge cases (CodeChef submit, CF cookie guard,
AtCoder cookie persistence) caused unnecessary full re-logins or silent
failures.

## Solution

Centralize all cookie storage into a single `cookies.json` via helpers
in `base.py`. Add `checking_login` fast paths to `kattis.py` (using the
`x-username` response header as a session probe), `usaco.py`, and
`cses.py` login flows. Fix `kattis.py` submit to emit `checking_login`
only after loading cookies. Remove AtCoder cookie persistence from login
entirely — always do a fresh session. Harden CodeChef and CF reauth
with consistent status logging and cookie guard checks.
This commit is contained in:
Barrett Ruth 2026-03-07 16:10:51 -05:00 • committed by GitHub
parent 564f9286da
commit b7ddf4c253
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10 changed files with 813 additions and 194 deletions
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9
lua/cp/credentials.lua
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@ -38,6 +38,7 @@ local function prompt_and_login(platform, display)
end, function(result)
vim.schedule(function()
if result.success then
cache.set_credentials(platform, credentials)
logger.log(
display .. ' login successful',
{ level = vim.log.levels.INFO, override = true }
@ -105,6 +106,14 @@ function M.logout(platform)
local display = constants.PLATFORM_DISPLAY_NAMES[platform] or platform
cache.load()
cache.clear_credentials(platform)
local cookie_file = constants.COOKIE_FILE
if vim.fn.filereadable(cookie_file) == 1 then
local ok, data = pcall(vim.fn.json_decode, vim.fn.readfile(cookie_file, 'b'))
if ok and type(data) == 'table' then
data[platform] = nil
vim.fn.writefile({ vim.fn.json_encode(data) }, cookie_file)
end
end
logger.log(display .. ' credentials cleared', { level = vim.log.levels.INFO, override = true })
end