cp.nvim/lua/cp/git_credential.lua

135 lines
3.5 KiB
Lua

---@class cp.Credentials
---@field username string
---@field password string
---@field token? string
local M = {}
local HOSTS = {
atcoder = 'atcoder.jp',
codechef = 'www.codechef.com',
codeforces = 'codeforces.com',
cses = 'cses.fi',
kattis = 'open.kattis.com',
usaco = 'usaco.org',
}
local _helper_checked = false
local _helper_ok = false
---@return boolean
function M.has_helper()
if not _helper_checked then
local r = vim
.system({ 'git', 'config', 'credential.helper' }, { text = true, timeout = 5000 })
:wait()
_helper_ok = r.code == 0 and r.stdout ~= nil and vim.trim(r.stdout) ~= ''
_helper_checked = true
end
return _helper_ok
end
---@param host string
---@param extra? table<string, string>
---@return string
local function _build_input(host, extra)
local lines = { 'protocol=https', 'host=' .. host }
if extra then
for k, v in pairs(extra) do
table.insert(lines, k .. '=' .. v)
end
end
table.insert(lines, '')
table.insert(lines, '')
return table.concat(lines, '\n')
end
---@param stdout string
---@return table<string, string>
local function _parse_output(stdout)
local result = {}
for line in stdout:gmatch('[^\n]+') do
local k, v = line:match('^(%S+)=(.+)$')
if k and v then
result[k] = v
end
end
return result
end
---@param platform string
---@return cp.Credentials?
function M.get(platform)
local host = HOSTS[platform]
if not host then
return nil
end
local input = _build_input(host)
local obj = vim
.system({ 'git', 'credential', 'fill' }, { stdin = input, text = true, timeout = 5000 })
:wait()
if obj.code ~= 0 then
return nil
end
local parsed = _parse_output(obj.stdout or '')
if not parsed.username or not parsed.password then
return nil
end
local creds = { username = parsed.username, password = parsed.password }
if platform == 'cses' then
local token_input = _build_input(host, { path = 'api-token' })
local token_obj = vim
.system({ 'git', 'credential', 'fill' }, { stdin = token_input, text = true, timeout = 5000 })
:wait()
if token_obj.code == 0 then
local token_parsed = _parse_output(token_obj.stdout or '')
if token_parsed.password then
creds.token = token_parsed.password
end
end
end
return creds
end
---@param platform string
---@param creds cp.Credentials
function M.store(platform, creds)
local host = HOSTS[platform]
if not host then
return
end
local input = _build_input(host, { username = creds.username, password = creds.password })
vim.system({ 'git', 'credential', 'approve' }, { stdin = input, text = true }):wait()
if platform == 'cses' and creds.token then
local token_input =
_build_input(host, { path = 'api-token', username = creds.username, password = creds.token })
vim.system({ 'git', 'credential', 'approve' }, { stdin = token_input, text = true }):wait()
end
end
---@param platform string
---@param creds cp.Credentials
function M.reject(platform, creds)
local host = HOSTS[platform]
if not host or not creds then
return
end
local input = _build_input(host, { username = creds.username, password = creds.password })
vim.system({ 'git', 'credential', 'reject' }, { stdin = input, text = true }):wait()
if platform == 'cses' and creds.token then
local token_input =
_build_input(host, { path = 'api-token', username = creds.username, password = creds.token })
vim.system({ 'git', 'credential', 'reject' }, { stdin = token_input, text = true }):wait()
end
end
return M