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-rw-r--r--core/xmlhandlers.lua169
1 files changed, 0 insertions, 169 deletions
diff --git a/core/xmlhandlers.lua b/core/xmlhandlers.lua
deleted file mode 100644
index d86ffe7d..00000000
--- a/core/xmlhandlers.lua
+++ /dev/null
@@ -1,169 +0,0 @@
--- Prosody IM
--- Copyright (C) 2008-2010 Matthew Wild
--- Copyright (C) 2008-2010 Waqas Hussain
---
--- This project is MIT/X11 licensed. Please see the
--- COPYING file in the source package for more information.
---
-
-
-
-require "util.stanza"
-
-local st = stanza;
-local tostring = tostring;
-local t_insert = table.insert;
-local t_concat = table.concat;
-
-local default_log = require "util.logger".init("xmlhandlers");
-
--- COMPAT: w/LuaExpat 1.1.0
-local lxp_supports_doctype = pcall(lxp.new, { StartDoctypeDecl = false });
-
-if not lxp_supports_doctype then
- default_log("warn", "The version of LuaExpat on your system leaves Prosody "
- .."vulnerable to denial-of-service attacks. You should upgrade to "
- .."LuaExpat 1.1.1 or higher as soon as possible. See "
- .."http://prosody.im/doc/depends#luaexpat for more information.");
-end
-
-local error = error;
-
-module "xmlhandlers"
-
-local ns_prefixes = {
- ["http://www.w3.org/XML/1998/namespace"] = "xml";
-};
-
-local xmlns_streams = "http://etherx.jabber.org/streams";
-
-local ns_separator = "\1";
-local ns_pattern = "^([^"..ns_separator.."]*)"..ns_separator.."?(.*)$";
-
-function init_xmlhandlers(session, stream_callbacks)
- local chardata = {};
- local xml_handlers = {};
- local log = session.log or default_log;
-
- local cb_streamopened = stream_callbacks.streamopened;
- local cb_streamclosed = stream_callbacks.streamclosed;
- local cb_error = stream_callbacks.error or function(session, e) error("XML stream error: "..tostring(e)); end;
- local cb_handlestanza = stream_callbacks.handlestanza;
-
- local stream_ns = stream_callbacks.stream_ns or xmlns_streams;
- local stream_tag = stream_ns..ns_separator..(stream_callbacks.stream_tag or "stream");
- local stream_error_tag = stream_ns..ns_separator..(stream_callbacks.error_tag or "error");
-
- local stream_default_ns = stream_callbacks.default_ns;
-
- local stanza;
- function xml_handlers:StartElement(tagname, attr)
- if stanza and #chardata > 0 then
- -- We have some character data in the buffer
- stanza:text(t_concat(chardata));
- chardata = {};
- end
- local curr_ns,name = tagname:match(ns_pattern);
- if name == "" then
- curr_ns, name = "", curr_ns;
- end
-
- if curr_ns ~= stream_default_ns then
- attr.xmlns = curr_ns;
- end
-
- -- FIXME !!!!!
- for i=1,#attr do
- local k = attr[i];
- attr[i] = nil;
- local ns, nm = k:match(ns_pattern);
- if nm ~= "" then
- ns = ns_prefixes[ns];
- if ns then
- attr[ns..":"..nm] = attr[k];
- attr[k] = nil;
- end
- end
- end
-
- if not stanza then --if we are not currently inside a stanza
- if session.notopen then
- if tagname == stream_tag then
- if cb_streamopened then
- cb_streamopened(session, attr);
- end
- else
- -- Garbage before stream?
- cb_error(session, "no-stream");
- end
- return;
- end
- if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then
- cb_error(session, "invalid-top-level-element");
- end
-
- stanza = st.stanza(name, attr);
- else -- we are inside a stanza, so add a tag
- attr.xmlns = nil;
- if curr_ns ~= stream_default_ns then
- attr.xmlns = curr_ns;
- end
- stanza:tag(name, attr);
- end
- end
- function xml_handlers:CharacterData(data)
- if stanza then
- t_insert(chardata, data);
- end
- end
- function xml_handlers:EndElement(tagname)
- if stanza then
- if #chardata > 0 then
- -- We have some character data in the buffer
- stanza:text(t_concat(chardata));
- chardata = {};
- end
- -- Complete stanza
- if #stanza.last_add == 0 then
- if tagname ~= stream_error_tag then
- cb_handlestanza(session, stanza);
- else
- cb_error(session, "stream-error", stanza);
- end
- stanza = nil;
- else
- stanza:up();
- end
- else
- if tagname == stream_tag then
- if cb_streamclosed then
- cb_streamclosed(session);
- end
- else
- local curr_ns,name = tagname:match(ns_pattern);
- if name == "" then
- curr_ns, name = "", curr_ns;
- end
- cb_error(session, "parse-error", "unexpected-element-close", name);
- end
- stanza, chardata = nil, {};
- end
- end
-
- local function restricted_handler(parser)
- cb_error(session, "parse-error", "restricted-xml", "Restricted XML, see RFC 6120 section 11.1.");
- if not parser:stop() then
- error("Failed to abort parsing");
- end
- end
-
- if lxp_supports_doctype then
- xml_handlers.StartDoctypeDecl = restricted_handler;
- end
- xml_handlers.Comment = restricted_handler;
- xml_handlers.ProcessingInstruction = restricted_handler;
-
- return xml_handlers;
-end
-
-return init_xmlhandlers;