diff options
Diffstat (limited to 'libs/lucid-http/luasrc/lucid/http/handler/file.lua')
| -rw-r--r-- | libs/lucid-http/luasrc/lucid/http/handler/file.lua | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/libs/lucid-http/luasrc/lucid/http/handler/file.lua b/libs/lucid-http/luasrc/lucid/http/handler/file.lua deleted file mode 100644 index 4f29c8bd28..0000000000 --- a/libs/lucid-http/luasrc/lucid/http/handler/file.lua +++ /dev/null @@ -1,272 +0,0 @@ ---[[ - -HTTP server implementation for LuCI - file handler -(c) 2008 Steven Barth <steven@midlink.org> -(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net> - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -$Id$ - -]]-- - -local ipairs, type, tonumber = ipairs, type, tonumber -local os = require "os" -local nixio = require "nixio", require "nixio.util" -local fs = require "nixio.fs" -local util = require "luci.util" -local ltn12 = require "luci.ltn12" -local srv = require "luci.lucid.http.server" -local string = require "string" - -local prot = require "luci.http.protocol" -local date = require "luci.http.protocol.date" -local mime = require "luci.http.protocol.mime" -local cond = require "luci.http.protocol.conditionals" - ---- File system handler --- @cstyle instance -module "luci.lucid.http.handler.file" - ---- Create a simple file system handler. --- @class function --- @param name Name --- @param docroot Physical Document Root --- @param options Options --- @return Simple file system handler object -Simple = util.class(srv.Handler) - -function Simple.__init__(self, name, docroot, options) - srv.Handler.__init__(self, name) - self.docroot = docroot - self.realdocroot = fs.realpath(self.docroot) - - options = options or {} - self.dirlist = not options.noindex - self.error404 = options.error404 -end - ---- Parse a range request. --- @param request Request object --- @param size File size --- @return offset, length, range header or boolean status -function Simple.parse_range(self, request, size) - if not request.headers.Range then - return true - end - - local from, to = request.headers.Range:match("bytes=([0-9]*)-([0-9]*)") - if not (from or to) then - return true - end - - from, to = tonumber(from), tonumber(to) - if not (from or to) then - return true - elseif not from then - from, to = size - to, size - 1 - elseif not to then - to = size - 1 - end - - -- Not satisfiable - if from >= size then - return false - end - - -- Normalize - if to >= size then - to = size - 1 - end - - local range = "bytes " .. from .. "-" .. to .. "/" .. size - return from, (1 + to - from), range -end - ---- Translate path and return file information. --- @param uri Request URI --- @return physical file path, file information -function Simple.getfile(self, uri) - if not self.realdocroot then - self.realdocroot = fs.realpath(self.docroot) - end - local file = fs.realpath(self.docroot .. uri) - if not file or file:sub(1, #self.realdocroot) ~= self.realdocroot then - return uri - end - return file, fs.stat(file) -end - ---- Handle a GET request. --- @param request Request object --- @return status code, header table, response source -function Simple.handle_GET(self, request) - local file, stat = self:getfile(prot.urldecode(request.env.PATH_INFO, true)) - - if stat then - if stat.type == "reg" then - - -- Generate Entity Tag - local etag = cond.mk_etag( stat ) - - -- Check conditionals - local ok, code, hdrs - - ok, code, hdrs = cond.if_modified_since( request, stat ) - if ok then - ok, code, hdrs = cond.if_match( request, stat ) - if ok then - ok, code, hdrs = cond.if_unmodified_since( request, stat ) - if ok then - ok, code, hdrs = cond.if_none_match( request, stat ) - if ok then - local f, err = nixio.open(file) - - if f then - local code = 200 - local o, s, r = self:parse_range(request, stat.size) - - if not o then - return self:failure(416, "Invalid Range") - end - - local headers = { - ["Cache-Control"] = "max-age=29030400", - ["Last-Modified"] = date.to_http( stat.mtime ), - ["Content-Type"] = mime.to_mime( file ), - ["ETag"] = etag, - ["Accept-Ranges"] = "bytes", - } - - if o == true then - s = stat.size - else - code = 206 - headers["Content-Range"] = r - f:seek(o) - end - - headers["Content-Length"] = s - - -- Send Response - return code, headers, srv.IOResource(f, s) - else - return self:failure( 403, err:gsub("^.+: ", "") ) - end - else - return code, hdrs - end - else - return code, hdrs - end - else - return code, hdrs - end - else - return code, hdrs - end - - elseif stat.type == "dir" then - - local ruri = request.env.REQUEST_URI:gsub("/$", "") - local duri = prot.urldecode( ruri, true ) - local root = self.docroot - - -- check for index files - local index_candidates = { - "index.html", "index.htm", "default.html", "default.htm", - "index.txt", "default.txt" - } - - -- try to find an index file and redirect to it - for i, candidate in ipairs( index_candidates ) do - local istat = fs.stat( - root .. "/" .. duri .. "/" .. candidate - ) - - if istat ~= nil and istat.type == "reg" then - return 302, { Location = ruri .. "/" .. candidate } - end - end - - - local html = string.format( - '<?xml version="1.0" encoding="utf-8"?>\n' .. - '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" ' .. - '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n'.. - '<html xmlns="http://www.w3.org/1999/xhtml" ' .. - 'xml:lang="en" lang="en">\n' .. - '<head>\n' .. - '<title>Index of %s/</title>\n' .. - '<style type="text/css">\n' .. - 'body { color:#000000 } ' .. - 'li { border-bottom:1px dotted #CCCCCC; padding:3px } ' .. - 'small { font-size:60%%; color:#333333 } ' .. - 'p { margin:0 }' .. - '\n</style></head><body><h1>Index of %s/</h1><hr /><ul>'.. - '<li><p><a href="%s/../">../</a> ' .. - '<small>(parent directory)</small><br />' .. - '<small></small></li>', - duri, duri, ruri - ) - - local entries = fs.dir( file ) - - if type(entries) == "function" then - for i, e in util.vspairs(nixio.util.consume(entries)) do - local estat = fs.stat( file .. "/" .. e ) - - if estat.type == "dir" then - html = html .. string.format( - '<li><p><a href="%s/%s/">%s/</a> ' .. - '<small>(directory)</small><br />' .. - '<small>Changed: %s</small></li>', - ruri, prot.urlencode( e ), e, - date.to_http( estat.mtime ) - ) - else - html = html .. string.format( - '<li><p><a href="%s/%s">%s</a> ' .. - '<small>(%s)</small><br />' .. - '<small>Size: %i Bytes | ' .. - 'Changed: %s</small></li>', - ruri, prot.urlencode( e ), e, - mime.to_mime( e ), - estat.size, date.to_http( estat.mtime ) - ) - end - end - - html = html .. '</ul><hr /><address>LuCId-HTTPd' .. - '</address></body></html>' - - return 200, { - ["Date"] = date.to_http( os.time() ); - ["Content-Type"] = "text/html; charset=utf-8"; - }, ltn12.source.string(html) - else - return self:failure(403, "Permission denied") - end - else - return self:failure(403, "Unable to transmit " .. stat.type .. " " .. file) - end - else - if self.error404 then - return 302, { Location = self.error404 } - else - return self:failure(404, "No such file: " .. file) - end - end -end - ---- Handle a HEAD request. --- @param request Request object --- @return status code, header table, response source -function Simple.handle_HEAD(self, ...) - local stat, head = self:handle_GET(...) - return stat, head -end |