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414 lines
14 KiB
Lua
414 lines
14 KiB
Lua
dofile("table_show.lua")
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dofile("urlcode.lua")
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JSON = (loadfile "JSON.lua")()
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local item_type = os.getenv('item_type')
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local item_value = os.getenv('item_value')
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local item_dir = os.getenv('item_dir')
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local warc_file_base = os.getenv('warc_file_base')
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local url_count = 0
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local tries = 0
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local downloaded = {}
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local addedtolist = {}
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local abortgrab = false
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local posts = {}
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local requested_children = {}
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local thumbs = {}
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for ignore in io.open("ignore-list", "r"):lines() do
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downloaded[ignore] = true
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end
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load_json_file = function(file)
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if file then
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return JSON:decode(file)
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else
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return nil
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end
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end
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read_file = function(file)
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if file then
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local f = assert(io.open(file))
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local data = f:read("*all")
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f:close()
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return data
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else
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return ""
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end
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end
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processed = function(url)
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if downloaded[url] or addedtolist[url] then
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return true
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end
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return false
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end
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allowed = function(url, parenturl)
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local match = string.match(url, "^https?://[^%.]+%.thumbs%.redditmedia%.com/([^%.]+)%.")
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if match
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and parenturl
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and string.match(parenturl, "^https?://www%.reddit%.com/api/info%.json%?id=") then
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thumbs[match] = true
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end
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if match and not thumbs[match] then
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return false
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end
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if string.match(url, "'+")
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or string.match(url, "[<>\\%*%$;%^%[%],%(%){}]")
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or string.match(url, "^https?://[^/]*reddit%.com/[^%?]+%?context=[0-9]+&depth=[0-9]+")
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or string.match(url, "^https?://[^/]*reddit%.com/[^%?]+%?depth=[0-9]+&context=[0-9]+")
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or string.match(url, "^https?://[^/]*reddit%.com/login")
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or string.match(url, "^https?://[^/]*reddit%.com/register")
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or string.match(url, "%?sort=")
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or string.match(url, "%?limit=500$")
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or string.match(url, "%?ref=readnext$")
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or string.match(url, "^https?://[^/]*reddit%.app%.link/")
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or string.match(url, "^https?://out%.reddit%.com/r/")
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or string.match(url, "^https?://emoji%.redditmedia%.com/")
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or string.match(url, "^https?://styles%.redditmedia%.com/")
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or string.match(url, "^https?://[^%.]+%.redd%.it/award_images/")
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or (
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string.match(url, "^https?://gateway%.reddit%.com/")
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and not string.match(url, "/morecomments/")
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)
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or string.match(url, "/%.rss$")
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or (
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parenturl
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and string.match(url, "^https?://amp%.reddit%.com/")
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)
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or (
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item_type == "posts"
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and string.match(url, "^https?://[^/]*reddit%.com/r/[^/]+/comments/[0-9a-z]+/[^/]+/[0-9a-z]+/?$")
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)
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or (
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parenturl
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and string.match(parenturl, "^https?://[^/]*reddit%.com/r/[^/]+/duplicates/")
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and string.match(url, "^https?://[^/]*reddit%.com/r/[^/]+/duplicates/")
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) then
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return false
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end
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local tested = {}
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for s in string.gmatch(url, "([^/]+)") do
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if tested[s] == nil then
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tested[s] = 0
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end
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if tested[s] == 6 then
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return false
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end
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tested[s] = tested[s] + 1
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end
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if url .. "/" == parenturl then
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return false
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end
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if (string.match(url, "^https?://[^/]*redditmedia%.com/")
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or string.match(url, "^https?://old%.reddit%.com/api/morechildren$")
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or string.match(url, "^https?://v%.redd%.it/")
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or string.match(url, "^https?://i%.redd%.it/")
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or string.match(url, "^https?://[^%.]*preview%.redd%.it/.")
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)
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and not string.match(item_type, "comment") then
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return true
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end
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for s in string.gmatch(url, "([a-z0-9]+)") do
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if posts[s] then
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return true
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end
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end
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return false
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end
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wget.callbacks.download_child_p = function(urlpos, parent, depth, start_url_parsed, iri, verdict, reason)
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local url = urlpos["url"]["url"]
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local html = urlpos["link_expect_html"]
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if item_type == "comments" then
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return false
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end
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if string.match(url, "[<>\\%*%$;%^%[%],%(%){}]")
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or string.match(url, "^https?://[^/]*redditstatic%.com/")
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or string.match(url, "^https?://old%.reddit%.com/static/")
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or string.match(url, "^https?://www%.reddit%.com/static/")
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or string.match(url, "^https?://styles%.redditmedia%.com/")
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or string.match(url, "^https?://emoji%.redditmedia%.com/")
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or string.match(url, "/%.rss$") then
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return false
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end
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if string.match(parent["url"], "^https?://old%.reddit%.com/comments/[a-z0-9]+") then
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return true
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end
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if not processed(url)
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and (allowed(url, parent["url"]) or (allowed(parent["url"]) and html == 0)) then
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addedtolist[url] = true
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return true
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end
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return false
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end
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wget.callbacks.get_urls = function(file, url, is_css, iri)
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local urls = {}
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local html = nil
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downloaded[url] = true
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local function check(urla)
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local origurl = url
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local url = string.match(urla, "^([^#]+)")
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local url_ = string.gsub(string.match(url, "^(.-)%.?$"), "&", "&")
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if not processed(url_)
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and string.match(url_, "^https?://.+")
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and allowed(url_, origurl)
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and not (string.match(url_, "[^/]$") and processed(url_ .. "/")) then
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table.insert(urls, { url=url_ })
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addedtolist[url_] = true
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addedtolist[url] = true
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end
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end
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local function checknewurl(newurl)
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if string.match(newurl, "^https?:////") then
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check(string.gsub(newurl, ":////", "://"))
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elseif string.match(newurl, "^https?://") then
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check(newurl)
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elseif string.match(newurl, "^https?:\\/\\?/") then
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check(string.gsub(newurl, "\\", ""))
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elseif string.match(newurl, "^\\/\\/") then
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check(string.match(url, "^(https?:)") .. string.gsub(newurl, "\\", ""))
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elseif string.match(newurl, "^//") then
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check(string.match(url, "^(https?:)") .. newurl)
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elseif string.match(newurl, "^\\/") then
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check(string.match(url, "^(https?://[^/]+)") .. string.gsub(newurl, "\\", ""))
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elseif string.match(newurl, "^/") then
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check(string.match(url, "^(https?://[^/]+)") .. newurl)
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elseif string.match(newurl, "^%./") then
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checknewurl(string.match(newurl, "^%.(.+)"))
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end
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end
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local function checknewshorturl(newurl)
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if string.match(newurl, "^%?") then
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check(string.match(url, "^(https?://[^%?]+)") .. newurl)
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elseif not (string.match(newurl, "^https?:\\?/\\?//?/?")
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or string.match(newurl, "^[/\\]")
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or string.match(newurl, "^%./")
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or string.match(newurl, "^[jJ]ava[sS]cript:")
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or string.match(newurl, "^[mM]ail[tT]o:")
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or string.match(newurl, "^vine:")
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or string.match(newurl, "^android%-app:")
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or string.match(newurl, "^ios%-app:")
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or string.match(newurl, "^data:")
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or string.match(newurl, "^%${")) then
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check(string.match(url, "^(https?://.+/)") .. newurl)
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end
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end
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if string.match(url, "^https?://www%.reddit%.com/") then
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check(string.gsub(url, "^https?://www%.reddit%.com/", "https://old.reddit.com/"))
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--elseif string.match(url, "^https?://old%.reddit%.com/") then
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-- check(string.gsub(url, "^https?://old%.reddit%.com/", "https://www.reddit.com/"))
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end
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if allowed(url)
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and status_code < 300
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and not string.match(url, "^https?://[^/]*redditmedia%.com/")
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and not string.match(url, "^https?://[^/]*redditstatic%.com/")
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and not string.match(url, "^https?://out%.reddit%.com/")
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and not string.match(url, "^https?://[^%.]*preview%.redd%.it/")
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and not string.match(url, "^https?://i%.redd%.it/")
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and not string.match(url, "^https?://v%.redd%.it/[^/]+/[^%.]*%.ts")
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and not string.match(url, "^https?://v%.redd%.it/[^/]+/[^%.]*%.mp4") then
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html = read_file(file)
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if string.match(url, "^https?://old%.reddit%.com/api/morechildren$") then
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html = string.gsub(html, '\\"', '"')
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elseif string.match(url, "^https?://old%.reddit%.com/r/[^/]+/comments/")
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or string.match(url, "^https?://old%.reddit%.com/r/[^/]+/duplicates/") then
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html = string.gsub(html, "<div%s+class='spacer'>%s*<div%s+class=\"titlebox\">.-</div>%s*</div>%s*<div%s+class='spacer'>%s*<div%s+id=\"ad_[0-9]+\"%s*class=\"ad%-container%s*\">", "")
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end
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if string.match(url, "^https?://old%.reddit%.com/") then
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for s in string.gmatch(html, "(return%s+morechildren%(this,%s*'[^']+',%s*'[^']+',%s*'[^']+',%s*'[^']+'%))") do
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local link_id, sort, children, limit_children = string.match(s, "%(this,%s*'([^']+)',%s*'([^']+)',%s*'([^']+)',%s*'([^']+)'%)$")
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local id = string.match(children, "^([^,]+)")
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local subreddit = string.match(html, 'data%-subreddit="([^"]+)"')
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local post_data =
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"link_id=" .. link_id ..
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"&sort=" .. sort ..
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"&children=" .. string.gsub(children, ",", "%%2C") ..
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"&id=t1_" .. id ..
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"&limit_children=" .. limit_children ..
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"&r=" .. subreddit ..
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"&renderstyle=html"
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if not requested_children[post_data] then
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requested_children[post_data] = true
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table.insert(urls, {url="https://old.reddit.com/api/morechildren",
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post_data=post_data})
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end
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end
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elseif string.match(url, "^https?://www%.reddit%.com/r/[^/]+/comments/[^/]")
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or string.match(url, "^https?://www%.reddit%.com/comments/[^/]")
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or string.match(url, "^https?://gateway%.reddit%.com/desktopapi/v1/morecomments/t3_[^%?]") then
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for s in string.gmatch(html, '"token"%s*:%s*"([^"]+)"') do
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local post_data = '{"token":"' .. s .. '"}'
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local comment_id = string.match(url, "^https?://www%.reddit%.com/r/[^/]+/comments/([^/]+)")
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if comment_id == nil then
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comment_id = string.match(url, "^https?://www%.reddit%.com/comments/([^/]+)")
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end
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if comment_id == nil then
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comment_id = string.match(url, "^https?://gateway%.reddit%.com/desktopapi/v1/morecomments/t3_([^%?]+)")
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end
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if comment_id == nil then
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print("Could not find comment ID.")
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abortgrab = true
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end
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if not requested_children[post_data] then
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requested_children[post_data] = true
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table.insert(urls, {url=
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"https://gateway.reddit.com/desktopapi/v1/morecomments/t3_" .. comment_id ..
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"?emotes_as_images=true" ..
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"&rtj=only" ..
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"&allow_over18=1" ..
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"&include=",
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post_data=post_data
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})
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end
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end
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end
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if string.match(url, "^https?://gateway%.reddit%.com/desktopapi/v1/morecomments/") then
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for s in string.gmatch(html, '"permalink"%s*:%s*"([^"]+)"') do
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check("https?://www.reddit.com" .. s)
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end
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end
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if string.match(url, "^https?://v%.redd%.it/[^/]+/[^%.]+%.mpd") then
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for s in string.gmatch(html, "<BaseURL>([^<]+)</BaseURL>") do
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checknewshorturl(s)
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end
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end
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if string.match(url, "^https?://v%.redd%.it/[^/]+/[^%.]+%.m3u8") then
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for s in string.gmatch(html, "(.-)\n") do
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if not string.match(s, "^#") then
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checknewshorturl(s)
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end
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end
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end
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for newurl in string.gmatch(string.gsub(html, """, '"'), '([^"]+)') do
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checknewurl(newurl)
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end
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for newurl in string.gmatch(string.gsub(html, "'", "'"), "([^']+)") do
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checknewurl(newurl)
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end
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for newurl in string.gmatch(html, ">%s*([^<%s]+)") do
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checknewurl(newurl)
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end
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for newurl in string.gmatch(html, "[^%-]href='([^']+)'") do
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checknewshorturl(newurl)
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end
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for newurl in string.gmatch(html, '[^%-]href="([^"]+)"') do
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checknewshorturl(newurl)
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end
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for newurl in string.gmatch(html, ":%s*url%(([^%)]+)%)") do
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checknewurl(newurl)
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end
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end
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return urls
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end
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wget.callbacks.httploop_result = function(url, err, http_stat)
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status_code = http_stat["statcode"]
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url_count = url_count + 1
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io.stdout:write(url_count .. "=" .. status_code .. " " .. url["url"] .. " \n")
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io.stdout:flush()
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local match = string.match(url["url"], "^https?://www%.reddit.com/api/info%.json%?id=t[0-9]_([a-z0-9]+)$")
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if match then
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posts[match] = true
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end
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if status_code == 204 then
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return wget.actions.EXIT
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end
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if (status_code >= 300 and status_code <= 399) then
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local newloc = string.match(http_stat["newloc"], "^([^#]+)")
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if string.match(newloc, "^//") then
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newloc = string.match(url["url"], "^(https?:)") .. string.match(newloc, "^//(.+)")
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elseif string.match(newloc, "^/") then
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newloc = string.match(url["url"], "^(https?://[^/]+)") .. newloc
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elseif not string.match(newloc, "^https?://") then
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newloc = string.match(url["url"], "^(https?://.+/)") .. newloc
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end
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if processed(newloc) or not allowed(newloc, url["url"]) then
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return wget.actions.EXIT
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end
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end
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|
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if (status_code >= 200 and status_code <= 399) then
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downloaded[url["url"]] = true
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downloaded[string.gsub(url["url"], "https?://", "http://")] = true
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end
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|
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if abortgrab then
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io.stdout:write("ABORTING...\n")
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return wget.actions.ABORT
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end
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|
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if status_code >= 500
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or (status_code >= 400 and status_code ~= 403 and status_code ~= 404)
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or status_code == 0 then
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io.stdout:write("Server returned " .. http_stat.statcode .. " (" .. err .. "). Sleeping.\n")
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io.stdout:flush()
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local maxtries = 8
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if not allowed(url["url"]) then
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maxtries = 0
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end
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if tries >= maxtries then
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io.stdout:write("\nI give up...\n")
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io.stdout:flush()
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tries = 0
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if allowed(url["url"]) then
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return wget.actions.ABORT
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else
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return wget.actions.EXIT
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end
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end
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os.execute("sleep " .. math.floor(math.pow(2, tries)))
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tries = tries + 1
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return wget.actions.CONTINUE
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end
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|
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if string.match(url["url"], "^https?://[^/]+%.reddit%.com/api/info%?id=t[0-9]_[a-z0-9]+$") then
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return wget.actions.EXIT
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end
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tries = 0
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local sleep_time = 0
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|
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if sleep_time > 0.001 then
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os.execute("sleep " .. sleep_time)
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end
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return wget.actions.NOTHING
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end
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|
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wget.callbacks.before_exit = function(exit_status, exit_status_string)
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|
if abortgrab then
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return wget.exits.IO_FAIL
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end
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|
return exit_status
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end
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