mirror of
https://github.com/koreader/koreader
synced 2024-11-16 06:12:56 +00:00
22db71c075
Fixes #4873. Unfortunately this will introduce a slight delay but I don't see any other quick & reasonable solution.
782 lines
26 KiB
Lua
782 lines
26 KiB
Lua
local ButtonDialog = require("ui/widget/buttondialog")
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local ButtonDialogTitle = require("ui/widget/buttondialogtitle")
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local Cache = require("cache")
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local CacheItem = require("cacheitem")
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local ConfirmBox = require("ui/widget/confirmbox")
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local InfoMessage = require("ui/widget/infomessage")
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local Menu = require("ui/widget/menu")
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local MultiInputDialog = require("ui/widget/multiinputdialog")
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local NetworkMgr = require("ui/network/manager")
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local OPDSParser = require("ui/opdsparser")
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local Screen = require("device").screen
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local UIManager = require("ui/uimanager")
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local http = require('socket.http')
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local https = require('ssl.https')
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local lfs = require("libs/libkoreader-lfs")
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local logger = require("logger")
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local ltn12 = require('ltn12')
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local mime = require('mime')
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local socket = require('socket')
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local url = require('socket.url')
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local util = require("util")
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local _ = require("gettext")
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local T = require("ffi/util").template
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local CatalogCacheItem = CacheItem:new{
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size = 1024, -- fixed size for catalog item
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}
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-- cache catalog parsed from feed xml
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local CatalogCache = Cache:new{
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max_memsize = 20*1024, -- keep only 20 cache items
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current_memsize = 0,
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cache = {},
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cache_order = {},
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}
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local OPDSBrowser = Menu:extend{
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opds_servers = {},
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calibre_name = _("Local calibre catalog"),
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catalog_type = "application/atom%+xml",
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search_type = "application/opensearchdescription%+xml",
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acquisition_rel = "^http://opds%-spec%.org/acquisition",
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image_rel = "http://opds-spec.org/image",
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thumbnail_rel = "http://opds-spec.org/image/thumbnail",
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formats = {
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["application/epub+zip"] = "EPUB",
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["application/fb2+zip"] = "FB2",
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["application/pdf"] = "PDF",
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["text/plain"] = "TXT",
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["application/x-mobipocket-ebook"] = "MOBI",
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["application/x-mobi8-ebook"] = "AZW3",
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},
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width = Screen:getWidth(),
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height = Screen:getHeight(),
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no_title = false,
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parent = nil,
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}
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function OPDSBrowser:init()
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local servers = G_reader_settings:readSetting("opds_servers")
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if not servers then -- If there are no saved servers, add some defaults
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servers = {
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{
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title = "Project Gutenberg",
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url = "http://m.gutenberg.org/ebooks.opds/?format=opds",
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},
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{
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title = "Feedbooks",
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url = "http://www.feedbooks.com/publicdomain/catalog.atom",
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},
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{
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title = "ManyBooks",
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url = "http://manybooks.net/opds/index.php",
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},
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{
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title = "Internet Archive",
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url = "https://bookserver.archive.org/",
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},
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{
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title = "Flibusta (Russian)",
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url = "http://www.flibusta.is/opds",
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},
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{
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title = "textos.info (Spanish)",
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url = "https://www.textos.info/catalogo.atom",
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},
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}
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G_reader_settings:saveSetting("opds_servers", servers)
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elseif servers[4].title == "Internet Archive" and servers[4].url == "http://bookserver.archive.org/catalog/" then
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servers[4].url = "https://bookserver.archive.org"
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end
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self.item_table = self:genItemTableFromRoot()
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Menu.init(self) -- call parent's init()
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end
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function OPDSBrowser:addServerFromInput(fields)
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logger.info("input catalog", fields)
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local servers = G_reader_settings:readSetting("opds_servers") or {}
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table.insert(servers, {
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title = fields[1],
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url = (fields[2]:match("^%a+://") and fields[2] or "http://" .. fields[2]),
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username = fields[3],
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password = fields[4],
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})
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G_reader_settings:saveSetting("opds_servers", servers)
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self:init()
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end
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function OPDSBrowser:editCalibreFromInput(fields)
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logger.dbg("input calibre server", fields)
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local calibre = G_reader_settings:readSetting("calibre_opds") or {}
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if fields[1] then
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calibre.host = fields[1]
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end
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if tonumber(fields[2]) then
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calibre.port = fields[2]
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end
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if fields[3] then
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calibre.username = fields[3]
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end
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if fields[4] then
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calibre.password = fields[4]
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end
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G_reader_settings:saveSetting("calibre_opds", calibre)
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self:init()
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end
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function OPDSBrowser:addNewCatalog()
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self.add_server_dialog = MultiInputDialog:new{
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title = _("Add OPDS catalog"),
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fields = {
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{
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text = "",
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hint = _("Catalog name"),
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},
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{
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text = "",
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hint = _("Catalog URL"),
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},
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{
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text = "",
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hint = _("Username (optional)"),
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},
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{
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text = "",
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hint = _("Password (optional)"),
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text_type = "password",
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},
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},
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buttons = {
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{
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{
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text = _("Cancel"),
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callback = function()
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self.add_server_dialog:onClose()
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UIManager:close(self.add_server_dialog)
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end
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},
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{
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text = _("Add"),
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callback = function()
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self.add_server_dialog:onClose()
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UIManager:close(self.add_server_dialog)
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self:addServerFromInput(MultiInputDialog:getFields())
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end
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},
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},
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},
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width = Screen:getWidth() * 0.95,
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height = Screen:getHeight() * 0.2,
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}
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UIManager:show(self.add_server_dialog)
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self.add_server_dialog:onShowKeyboard()
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end
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function OPDSBrowser:editCalibreServer()
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local calibre = G_reader_settings:readSetting("calibre_opds") or {}
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self.add_server_dialog = MultiInputDialog:new{
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title = _("Edit local calibre host and port"),
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fields = {
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{
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-- TODO: get IP address of current device
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text = calibre.host or "192.168.1.1",
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hint = _("calibre host"),
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},
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{
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text = calibre.port and tostring(calibre.port) or "8080",
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hint = _("calibre port"),
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},
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{
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text = calibre.username or "",
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hint = _("Username (optional)"),
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},
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{
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text = calibre.password or "",
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hint = _("Password (optional)"),
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text_type = "password",
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},
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},
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buttons = {
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{
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{
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text = _("Cancel"),
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callback = function()
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self.add_server_dialog:onClose()
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UIManager:close(self.add_server_dialog)
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end
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},
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{
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text = _("Apply"),
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callback = function()
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self.add_server_dialog:onClose()
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UIManager:close(self.add_server_dialog)
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self:editCalibreFromInput(MultiInputDialog:getFields())
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end
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},
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},
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},
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width = Screen:getWidth() * 0.95,
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height = Screen:getHeight() * 0.2,
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}
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UIManager:show(self.add_server_dialog)
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self.add_server_dialog:onShowKeyboard()
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end
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function OPDSBrowser:genItemTableFromRoot()
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local item_table = {}
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local added_servers = G_reader_settings:readSetting("opds_servers") or {}
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for _, server in ipairs(added_servers) do
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table.insert(item_table, {
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text = server.title,
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content = server.subtitle,
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url = server.url,
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username = server.username,
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password = server.password,
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deletable = true,
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editable = true,
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})
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end
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local calibre_opds = G_reader_settings:readSetting("calibre_opds") or {}
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if not calibre_opds.host or not calibre_opds.port then
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table.insert(item_table, {
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text = self.calibre_name,
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callback = function()
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self:editCalibreServer()
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end,
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deletable = false,
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})
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else
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table.insert(item_table, {
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text = self.calibre_name,
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url = string.format("http://%s:%d/opds",
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calibre_opds.host, calibre_opds.port),
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username = calibre_opds.username,
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password = calibre_opds.password,
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editable = true,
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deletable = false,
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})
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end
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table.insert(item_table, {
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text = _("Add new OPDS catalog"),
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callback = function()
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self:addNewCatalog()
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end,
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})
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return item_table
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end
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function OPDSBrowser:fetchFeed(item_url, username, password, method)
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local request, sink = {}, {}
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local parsed = url.parse(item_url)
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local hostname = parsed.host
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local auth = string.format("%s:%s", username, password)
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request['url'] = item_url
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request['method'] = method and method or "GET"
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request['sink'] = ltn12.sink.table(sink)
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request['headers'] = { Authorization = "Basic " .. mime.b64(auth), ["Host"] = hostname, }
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logger.info("request", request)
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http.TIMEOUT, https.TIMEOUT = 10, 10
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local httpRequest = parsed.scheme == 'http' and http.request or https.request
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local code, headers = socket.skip(1, httpRequest(request))
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-- raise error message when network is unavailable
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if headers == nil then
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error(code)
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end
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if code == 200 then
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if method == "HEAD" then
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if headers["last-modified"] then
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return headers["last-modified"]
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else
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return
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end
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end
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local xml = table.concat(sink)
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if xml ~= "" then
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return xml
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end
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else
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UIManager:show(InfoMessage:new{
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text = T(_("Cannot get catalog. Server code response %1"), code),
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})
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end
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end
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function OPDSBrowser:parseFeed(item_url, username, password)
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local feed
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local feed_last_modified = self:fetchFeed(item_url, username, password, "HEAD")
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local hash = "opds|catalog|" .. item_url
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if feed_last_modified then
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hash = hash .. feed_last_modified
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end
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local cache = CatalogCache:check(hash)
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if cache then
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feed = cache.feed
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else
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logger.dbg("cache", hash)
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feed = self:fetchFeed(item_url, username, password)
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if feed then
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CatalogCache:insert(hash, CatalogCacheItem:new{ feed = feed })
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end
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end
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if feed then
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return OPDSParser:parse(feed)
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end
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end
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function OPDSBrowser:getCatalog(item_url, username, password)
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local ok, catalog = pcall(self.parseFeed, self, item_url, username, password)
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if not ok and catalog and not NetworkMgr:isOnline() then
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NetworkMgr:promptWifiOn()
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return
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elseif not ok and catalog then
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logger.info("cannot get catalog info from", item_url, catalog)
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UIManager:show(InfoMessage:new{
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text = T(_("Cannot get catalog info from %1"), (item_url or "")),
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})
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return
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end
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if ok and catalog then
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return catalog
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end
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end
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function OPDSBrowser:genItemTableFromURL(item_url, username, password)
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local catalog = self:getCatalog(item_url, username, password)
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return self:genItemTableFromCatalog(catalog, item_url, username, password)
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end
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function OPDSBrowser:genItemTableFromCatalog(catalog, item_url, username, password)
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local item_table = {}
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if not catalog then
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return item_table
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end
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local feed = catalog.feed or catalog
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local function build_href(href)
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return url.absolute(item_url, href)
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end
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local hrefs = {}
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if feed.link then
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for _, link in ipairs(feed.link) do
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if link.type ~= nil then
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if link.type:find(self.catalog_type) or
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link.type:find(self.search_type) then
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if link.rel and link.href then
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hrefs[link.rel] = build_href(link.href)
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end
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end
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end
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end
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end
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item_table.hrefs = hrefs
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if username then
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item_table.username = username
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end
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if password then
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item_table.password = password
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end
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if not feed.entry then
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return item_table
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end
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for _, entry in ipairs(feed.entry) do
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local item = {}
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item.acquisitions = {}
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if entry.link then
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for _, link in ipairs(entry.link) do
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if link.type:find(self.catalog_type)
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and (not link.rel
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or link.rel == "subsection"
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or link.rel == "http://opds-spec.org/subsection"
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or link.rel == "http://opds-spec.org/sort/popular"
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or link.rel == "http://opds-spec.org/sort/new") then
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item.url = build_href(link.href)
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end
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if link.rel then
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if link.rel:match(self.acquisition_rel) then
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table.insert(item.acquisitions, {
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type = link.type,
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href = build_href(link.href),
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})
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elseif link.rel == self.thumbnail_rel then
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item.thumbnail = build_href(link.href)
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elseif link.rel == self.image_rel then
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item.image = build_href(link.href)
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end
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end
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end
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end
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local title = "Unknown"
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if type(entry.title) == "string" then
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title = entry.title
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elseif type(entry.title) == "table" then
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if type(entry.title.type) == "string" and entry.title.div ~= "" then
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title = entry.title.div
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end
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end
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if title == "Unknown" then
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logger.info("Cannot handle title", entry.title)
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end
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item.text = title
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local author = "Unknown Author"
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if type(entry.author) == "table" and entry.author.name then
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author = entry.author.name
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item.text = title .. "\n" .. author
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end
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item.title = title
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item.author = author
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item.id = entry.id
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item.content = entry.content
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item.updated = entry.updated
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if username then
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item.username = username
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end
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if password then
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item.password = password
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end
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table.insert(item_table, item)
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end
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return item_table
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end
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function OPDSBrowser:updateCatalog(item_url, username, password)
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local menu_table = self:genItemTableFromURL(item_url, username, password)
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if #menu_table > 0 then
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self:switchItemTable(nil, menu_table)
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if self.page_num <= 1 then
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self:onNext()
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end
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return true
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end
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end
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function OPDSBrowser:appendCatalog(item_url, username, password)
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local new_table = self:genItemTableFromURL(item_url, username, password)
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if #new_table == 0 then return false end
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for _, item in ipairs(new_table) do
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table.insert(self.item_table, item)
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end
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self.item_table.hrefs = new_table.hrefs
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self:switchItemTable(nil, self.item_table, -1)
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return true
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end
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function OPDSBrowser.getCurrentDownloadDir()
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local lastdir = G_reader_settings:readSetting("lastdir")
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return G_reader_settings:readSetting("download_dir") or lastdir
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end
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function OPDSBrowser:downloadFile(item, format, remote_url)
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-- download to user selected directory or last opened dir
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local download_dir = self.getCurrentDownloadDir()
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local file_system = util.getFilesystemType(download_dir)
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if file_system == "vfat" or file_system == "fuse.fsp" then
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item.author = util.replaceInvalidChars(item.author)
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item.title = util.replaceInvalidChars(item.title)
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else
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item.author = util.replaceSlashChar(item.author)
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item.title = util.replaceSlashChar(item.title)
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end
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local local_path = download_dir .. "/" .. item.author .. ' - ' .. item.title .. "." .. string.lower(format)
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local_path = util.fixUtf8(local_path, "_")
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local function download()
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UIManager:scheduleIn(1, function()
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logger.dbg("downloading file", local_path, "from", remote_url)
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local parsed = url.parse(remote_url)
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http.TIMEOUT, https.TIMEOUT = 20, 20
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local dummy, c = nil
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if parsed.scheme == "http" then
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dummy, c = http.request {
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url = remote_url,
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sink = ltn12.sink.file(io.open(local_path, "w")),
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user = item.username,
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password = item.password
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}
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elseif parsed.scheme == "https" then
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local auth = string.format("%s:%s", item.username, item.password)
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local hostname = parsed.host
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dummy, c = https.request {
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url = remote_url,
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headers = { Authorization = "Basic " .. mime.b64(auth), ["Host"] = hostname },
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sink = ltn12.sink.file(io.open(local_path, "w")),
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}
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else
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UIManager:show(InfoMessage:new {
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text = T(_("Invalid protocol:\n%1"), parsed.scheme),
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timeout = 3,
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})
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end
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if c == 200 then
|
|
logger.dbg("file downloaded to", local_path)
|
|
if self.file_downloaded_callback then
|
|
self.file_downloaded_callback(local_path)
|
|
end
|
|
else
|
|
UIManager:show(InfoMessage:new {
|
|
text = _("Could not save file to:\n") .. local_path,
|
|
timeout = 3,
|
|
})
|
|
end
|
|
end)
|
|
|
|
UIManager:show(InfoMessage:new{
|
|
text = _("Downloading may take several minutes…"),
|
|
timeout = 1,
|
|
})
|
|
end
|
|
|
|
if lfs.attributes(local_path, "mode") == "file" then
|
|
UIManager:show(ConfirmBox:new {
|
|
text = T(_("The file %1 already exists. Do you want to overwrite it?"), local_path),
|
|
ok_text = _("Overwrite"),
|
|
ok_callback = function()
|
|
download()
|
|
end,
|
|
})
|
|
else
|
|
download()
|
|
end
|
|
end
|
|
|
|
function OPDSBrowser:createNewDownloadDialog(path, buttons)
|
|
self.download_dialog = ButtonDialogTitle:new{
|
|
title = T(_("Download directory:\n%1\n\nDownload file type:"), path),
|
|
buttons = buttons
|
|
}
|
|
end
|
|
|
|
function OPDSBrowser:showDownloads(item)
|
|
local acquisitions = item.acquisitions
|
|
local downloadsperline = 2
|
|
local lines = math.ceil(#acquisitions/downloadsperline)
|
|
local buttons = {}
|
|
for i = 1, lines do
|
|
local line = {}
|
|
for j = 1, downloadsperline do
|
|
local button = {}
|
|
local index = (i-1)*downloadsperline + j
|
|
local acquisition = acquisitions[index]
|
|
if acquisition then
|
|
local format = self.formats[acquisition.type]
|
|
if format then
|
|
-- append DOWNWARDS BLACK ARROW ⬇ U+2B07 to format
|
|
button.text = format .. "\xE2\xAC\x87"
|
|
button.callback = function()
|
|
self:downloadFile(item, format, acquisition.href)
|
|
UIManager:close(self.download_dialog)
|
|
end
|
|
table.insert(line, button)
|
|
end
|
|
elseif #acquisitions > downloadsperline then
|
|
table.insert(line, {text=""})
|
|
end
|
|
end
|
|
table.insert(buttons, line)
|
|
end
|
|
table.insert(buttons, {})
|
|
-- set download directory button
|
|
table.insert(buttons, {
|
|
{
|
|
text = _("Select another directory"),
|
|
callback = function()
|
|
require("ui/downloadmgr"):new{
|
|
onConfirm = function(path)
|
|
logger.info("set download directory to", path)
|
|
G_reader_settings:saveSetting("download_dir", path)
|
|
UIManager:nextTick(function()
|
|
UIManager:close(self.download_dialog)
|
|
self:createNewDownloadDialog(path, buttons)
|
|
UIManager:show(self.download_dialog)
|
|
end)
|
|
end,
|
|
}:chooseDir()
|
|
end,
|
|
}
|
|
})
|
|
|
|
self:createNewDownloadDialog(self.getCurrentDownloadDir(), buttons)
|
|
UIManager:show(self.download_dialog)
|
|
end
|
|
|
|
function OPDSBrowser:onMenuSelect(item)
|
|
-- add catalog
|
|
if item.callback then
|
|
item.callback()
|
|
-- acquisition
|
|
elseif item.acquisitions and #item.acquisitions > 0 then
|
|
logger.dbg("downloads available", item)
|
|
self:showDownloads(item)
|
|
-- navigation
|
|
else
|
|
table.insert(self.paths, {
|
|
url = item.url,
|
|
username = item.username,
|
|
password = item.password,
|
|
})
|
|
if not self:updateCatalog(item.url, item.username, item.password) then
|
|
table.remove(self.paths)
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|
|
function OPDSBrowser:editServerFromInput(item, fields)
|
|
logger.info("input catalog", fields)
|
|
local servers = {}
|
|
for _, server in ipairs(G_reader_settings:readSetting("opds_servers") or {}) do
|
|
if server.title == item.text or server.url == item.url then
|
|
server.title = fields[1]
|
|
server.url = (fields[2]:match("^%a+://") and fields[2] or "http://" .. fields[2])
|
|
server.username = fields[3]
|
|
server.password = fields[4]
|
|
end
|
|
table.insert(servers, server)
|
|
end
|
|
G_reader_settings:saveSetting("opds_servers", servers)
|
|
self:init()
|
|
end
|
|
|
|
function OPDSBrowser:editOPDSServer(item)
|
|
logger.info("edit", item)
|
|
self.edit_server_dialog = MultiInputDialog:new{
|
|
title = _("Edit OPDS catalog"),
|
|
fields = {
|
|
{
|
|
text = item.text or "",
|
|
hint = _("Catalog Name"),
|
|
},
|
|
{
|
|
text = item.url or "",
|
|
hint = _("Catalog URL"),
|
|
},
|
|
{
|
|
text = item.username or "",
|
|
hint = _("Username (optional)"),
|
|
},
|
|
{
|
|
text = item.password or "",
|
|
hint = _("Password (optional)"),
|
|
text_type = "password",
|
|
},
|
|
},
|
|
buttons = {
|
|
{
|
|
{
|
|
text = _("Cancel"),
|
|
callback = function()
|
|
self.edit_server_dialog:onClose()
|
|
UIManager:close(self.edit_server_dialog)
|
|
end
|
|
},
|
|
{
|
|
text = _("Apply"),
|
|
callback = function()
|
|
self.edit_server_dialog:onClose()
|
|
UIManager:close(self.edit_server_dialog)
|
|
self:editServerFromInput(item, MultiInputDialog:getFields())
|
|
end
|
|
},
|
|
},
|
|
},
|
|
width = Screen:getWidth() * 0.95,
|
|
height = Screen:getHeight() * 0.2,
|
|
}
|
|
UIManager:show(self.edit_server_dialog)
|
|
self.edit_server_dialog:onShowKeyboard()
|
|
end
|
|
|
|
function OPDSBrowser:deleteOPDSServer(item)
|
|
logger.info("delete", item)
|
|
local servers = {}
|
|
for _, server in ipairs(G_reader_settings:readSetting("opds_servers") or {}) do
|
|
if server.title ~= item.text or server.url ~= item.url then
|
|
table.insert(servers, server)
|
|
end
|
|
end
|
|
G_reader_settings:saveSetting("opds_servers", servers)
|
|
self:init()
|
|
end
|
|
|
|
function OPDSBrowser:onMenuHold(item)
|
|
if item.deletable or item.editable then
|
|
self.opds_server_dialog = ButtonDialog:new{
|
|
buttons = {
|
|
{
|
|
{
|
|
text = _("Edit"),
|
|
enabled = item.editable,
|
|
callback = function()
|
|
UIManager:close(self.opds_server_dialog)
|
|
if item.text ~= self.calibre_name then
|
|
self:editOPDSServer(item)
|
|
else
|
|
self:editCalibreServer(item)
|
|
end
|
|
end
|
|
},
|
|
{
|
|
text = _("Delete"),
|
|
enabled = item.deletable,
|
|
callback = function()
|
|
UIManager:close(self.opds_server_dialog)
|
|
self:deleteOPDSServer(item)
|
|
end
|
|
},
|
|
},
|
|
}
|
|
}
|
|
UIManager:show(self.opds_server_dialog)
|
|
return true
|
|
end
|
|
end
|
|
|
|
function OPDSBrowser:onReturn()
|
|
if #self.paths > 0 then
|
|
table.remove(self.paths)
|
|
local path = self.paths[#self.paths]
|
|
if path then
|
|
-- return to last path
|
|
self:updateCatalog(path.url, path.username, path.password)
|
|
else
|
|
-- return to root path, we simply reinit opdsbrowser
|
|
self:init()
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|
|
function OPDSBrowser:onNext()
|
|
-- self.page_num comes from menu.lua
|
|
local page_num = self.page_num
|
|
-- fetch more entries until we fill out one page or reach the end
|
|
while page_num == self.page_num do
|
|
local hrefs = self.item_table.hrefs
|
|
if hrefs and hrefs.next then
|
|
if not self:appendCatalog(hrefs.next, self.item_table.username, self.item_table.password) then
|
|
break -- reach end of paging
|
|
end
|
|
else
|
|
break
|
|
end
|
|
end
|
|
|
|
return true
|
|
end
|
|
|
|
return OPDSBrowser
|