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koreader/frontend/apps/cloudstorage/ftpapi.lua
2017-05-21 00:35:45 -07:00

73 lines
2.0 KiB
Lua

local DocumentRegistry = require("document/documentregistry")
local ftp = require("socket.ftp")
local ltn12 = require("ltn12")
local url = require("socket.url")
local FtpApi = {
}
function FtpApi:nlst(u)
local t = {}
local p = url.parse(u)
p.command = "nlst"
p.sink = ltn12.sink.table(t)
local r, e = ftp.get(p)
return r and table.concat(t), e
end
function FtpApi:listFolder(address_path,folder_path)
local ftp_list = {}
local ftp_file = {}
local type
local extension
local file_name
local ls_ftp = self:nlst(address_path)
if ls_ftp == nil then return false end
if folder_path == "/" then
folder_path = ""
end
for item in (ls_ftp..'\n'):gmatch'(.-)\r?\n' do
if item ~= '' then
file_name = item:match("([^/]+)$")
extension = item:match("^.+(%..+)$")
if not extension then
type = "folder"
table.insert(ftp_list, {
text = file_name .. "/",
url = string.format("%s/%s",folder_path, file_name),
type = type,
})
--show only file with supported formats
elseif extension and DocumentRegistry:getProvider(item) then
type = "file"
table.insert(ftp_file, {
text = file_name,
url = string.format("%s/%s",folder_path, file_name),
type = type,
})
end
end
end
--sort
table.sort(ftp_list, function(v1,v2)
return v1.text < v2.text
end)
table.sort(ftp_file, function(v1,v2)
return v1.text < v2.text
end)
for _, files in ipairs(ftp_file) do
table.insert(ftp_list, {
text = files.text,
url = files.url,
type = files.type
})
end
return ftp_list
end
function FtpApi:downloadFile(file_path)
return ftp.get(file_path ..";type=i")
end
return FtpApi