openwrt-packages/luci-app-filebrowser/luasrc/model/cbi/filebrowser/api.lua
2024-07-11 00:41:35 +08:00

339 lines
9.9 KiB
Lua

local fs = require "nixio.fs"
local sys = require "luci.sys"
local uci = require"luci.model.uci".cursor()
local util = require "luci.util"
local i18n = require "luci.i18n"
module("luci.model.cbi.filebrowser.api", package.seeall)
local appname = "filebrowser"
local api_url =
"https://api.github.com/repos/filebrowser/filebrowser/releases/latest"
local wget = "/usr/bin/wget"
local wget_args = {
"--no-check-certificate", "--quiet", "--timeout=10", "--tries=2"
}
local command_timeout = 300
local LEDE_BOARD = nil
local DISTRIB_TARGET = nil
function uci_get_type(type, config, default)
value = uci:get_first(appname, type, config, default) or sys.exec(
"echo -n `uci -q get " .. appname .. ".@" .. type .. "[0]." ..
config .. "`")
if (value == nil or value == "") and (default and default ~= "") then
value = default
end
return value
end
local function _unpack(t, i)
i = i or 1
if t[i] ~= nil then return t[i], _unpack(t, i + 1) end
end
local function exec(cmd, args, writer, timeout)
local os = require "os"
local nixio = require "nixio"
local fdi, fdo = nixio.pipe()
local pid = nixio.fork()
if pid > 0 then
fdo:close()
if writer or timeout then
local starttime = os.time()
while true do
if timeout and os.difftime(os.time(), starttime) >= timeout then
nixio.kill(pid, nixio.const.SIGTERM)
return 1
end
if writer then
local buffer = fdi:read(2048)
if buffer and #buffer > 0 then
writer(buffer)
end
end
local wpid, stat, code = nixio.waitpid(pid, "nohang")
if wpid and stat == "exited" then return code end
if not writer and timeout then nixio.nanosleep(1) end
end
else
local wpid, stat, code = nixio.waitpid(pid)
return wpid and stat == "exited" and code
end
elseif pid == 0 then
nixio.dup(fdo, nixio.stdout)
fdi:close()
fdo:close()
nixio.exece(cmd, args, nil)
nixio.stdout:close()
os.exit(1)
end
end
local function compare_versions(ver1, comp, ver2)
local table = table
local av1 = util.split(ver1, "[%.%-]", nil, true)
local av2 = util.split(ver2, "[%.%-]", nil, true)
local max = table.getn(av1)
local n2 = table.getn(av2)
if (max < n2) then max = n2 end
for i = 1, max, 1 do
local s1 = av1[i] or ""
local s2 = av2[i] or ""
if comp == "~=" and (s1 ~= s2) then return true end
if (comp == "<" or comp == "<=") and (s1 < s2) then return true end
if (comp == ">" or comp == ">=") and (s1 > s2) then return true end
if (s1 ~= s2) then return false end
end
return not (comp == "<" or comp == ">")
end
local function auto_get_arch()
local arch = nixio.uname().machine or ""
if fs.access("/usr/lib/os-release") then
LEDE_BOARD = sys.exec(
"echo -n `grep 'LEDE_BOARD' /usr/lib/os-release | awk -F '[\\042\\047]' '{print $2}'`")
end
if fs.access("/etc/openwrt_release") then
DISTRIB_TARGET = sys.exec(
"echo -n `grep 'DISTRIB_TARGET' /etc/openwrt_release | awk -F '[\\042\\047]' '{print $2}'`")
end
if arch == "mips" then
if LEDE_BOARD and LEDE_BOARD ~= "" then
if string.match(LEDE_BOARD, "ramips") == "ramips" then
arch = "ramips"
else
arch = sys.exec("echo '" .. LEDE_BOARD ..
"' | grep -oE 'ramips|ar71xx'")
end
elseif DISTRIB_TARGET and DISTRIB_TARGET ~= "" then
if string.match(DISTRIB_TARGET, "ramips") == "ramips" then
arch = "ramips"
else
arch = sys.exec("echo '" .. DISTRIB_TARGET ..
"' | grep -oE 'ramips|ar71xx'")
end
end
end
return util.trim(arch)
end
local function get_file_info(arch)
local file_tree = ""
local sub_version = ""
if arch == "x86_64" then
file_tree = "amd64"
elseif arch == "aarch64" then
file_tree = "arm64"
elseif arch == "ramips" then
file_tree = "mipsle"
elseif arch == "ar71xx" then
file_tree = "mips"
elseif arch:match("^i[%d]86$") then
file_tree = "386"
elseif arch:match("^armv[5-8]") then
file_tree = "armv"
sub_version = arch:match("[5-8]")
if LEDE_BOARD and string.match(LEDE_BOARD, "bcm53xx") == "bcm53xx" then
sub_version = "5"
elseif DISTRIB_TARGET and string.match(DISTRIB_TARGET, "bcm53xx") ==
"bcm53xx" then
sub_version = "5"
end
sub_version = "5"
end
return file_tree, sub_version
end
local function get_api_json(url)
local jsonc = require "luci.jsonc"
local output = {}
-- exec(wget, { "-O-", url, _unpack(wget_args) },
-- function(chunk) output[#output + 1] = chunk end)
-- local json_content = util.trim(table.concat(output))
local json_content = luci.sys.exec(wget ..
" --no-check-certificate --timeout=10 -t 1 -O- " ..
url)
if json_content == "" then return {} end
return jsonc.parse(json_content) or {}
end
function get_version() return uci_get_type("global", "version", "0") end
function to_check(arch)
if not arch or arch == "" then arch = auto_get_arch() end
local file_tree, sub_version = get_file_info(arch)
if file_tree == "" then
return {
code = 1,
error = i18n.translate(
"Can't determine ARCH, or ARCH not supported.")
}
end
local json = get_api_json(api_url)
if json.tag_name == nil then
return {
code = 1,
error = i18n.translate("Get remote version info failed.")
}
end
local remote_version = json.tag_name:match("[^v]+")
local needs_update = compare_versions(get_version(), "<", remote_version)
local html_url, download_url
if needs_update then
html_url = json.html_url
for _, v in ipairs(json.assets) do
if v.name and v.name:match("linux%-" .. file_tree .. sub_version) then
download_url = v.browser_download_url
break
end
end
end
if needs_update and not download_url then
return {
code = 1,
version = remote_version,
html_url = html_url,
error = i18n.translate(
"New version found, but failed to get new version download url.")
}
end
return {
code = 0,
update = needs_update,
version = remote_version,
url = {html = html_url, download = download_url}
}
end
function to_download(url)
if not url or url == "" then
return {code = 1, error = i18n.translate("Download url is required.")}
end
sys.call("/bin/rm -f /tmp/filebrowser_download.*")
local tmp_file = util.trim(util.exec(
"mktemp -u -t filebrowser_download.XXXXXX"))
local result = exec(wget, {"-O", tmp_file, url, _unpack(wget_args)}, nil,
command_timeout) == 0
if not result then
exec("/bin/rm", {"-f", tmp_file})
return {
code = 1,
error = i18n.translatef("File download failed or timed out: %s", url)
}
end
return {code = 0, file = tmp_file}
end
function to_extract(file, subfix)
if not file or file == "" or not fs.access(file) then
return {code = 1, error = i18n.translate("File path required.")}
end
sys.call("/bin/rm -rf /tmp/filebrowser_extract.*")
local tmp_dir = util.trim(util.exec(
"mktemp -d -t filebrowser_extract.XXXXXX"))
local output = {}
exec("/bin/tar", {"-C", tmp_dir, "-zxvf", file},
function(chunk) output[#output + 1] = chunk end)
local files = util.split(table.concat(output))
exec("/bin/rm", {"-f", file})
if not new_file then
for _, f in pairs(files) do
if f:match("filebrowser") then
new_file = tmp_dir .. "/" .. util.trim(f)
break
end
end
end
if not new_file then
exec("/bin/rm", {"-rf", tmp_dir})
return {
code = 1,
error = i18n.translatef("Can't find client in file: %s", file)
}
end
return {code = 0, file = new_file}
end
function to_move(file)
if not file or file == "" or not fs.access(file) then
sys.call("/bin/rm -rf /tmp/filebrowser_extract.*")
return {code = 1, error = i18n.translate("Client file is required.")}
end
local executable_directory =
uci_get_type("global", "executable_directory", "/tmp")
luci.sys.exec("mkdir -p " .. executable_directory)
local client_path = executable_directory .. "/" .. appname
local client_path_bak
if fs.access(client_path) then
client_path_bak = "/tmp/" .. appname .. ".bak"
exec("/bin/mv", {"-f", client_path, client_path_bak})
end
local result = exec("/bin/mv", {"-f", file, client_path}, nil,
command_timeout) == 0
if not result or not fs.access(client_path) then
if client_path_bak then
exec("/bin/mv", {"-f", client_path_bak, client_path})
end
return {
code = 1,
error = i18n.translatef("Can't move new file to path: %s",
client_path)
}
end
exec("/bin/chmod", {"755", client_path})
if client_path_bak then exec("/bin/rm", {"-f", client_path_bak}) end
sys.call("/bin/rm -rf /tmp/filebrowser_extract.*")
return {code = 0}
end