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util.xmppstream: Perfom validation of XML declaration parameters

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This commit is contained in:
Matthew Wild 2018-07-11 11:57:42 +01:00
parent 9aaa5d3ed1
commit 6fbe81217b
1 changed files with 13 additions and 10 deletions
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23
util/xmppstream.lua
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@ -130,16 +130,7 @@ local function new_sax_handlers(session, stream_callbacks, cb_handleprogress)
t_insert(oldstanza.tags, stanza);
end
end
if lxp_supports_xmldecl then
function xml_handlers:XmlDecl(version, encoding, standalone)
session.xml_version = version;
session.xml_encoding = encoding;
session.xml_standalone = standalone;
if lxp_supports_bytecount then
cb_handleprogress(self:getcurrentbytecount());
end
end
end
function xml_handlers:StartCdataSection()
if lxp_supports_bytecount then
if stanza then
@ -210,6 +201,18 @@ local function new_sax_handlers(session, stream_callbacks, cb_handleprogress)
end
end
if lxp_supports_xmldecl then
function xml_handlers:XmlDecl(version, encoding, standalone)
if lxp_supports_bytecount then
cb_handleprogress(self:getcurrentbytecount());
end
if (encoding and encoding:lower() ~= "utf-8")
or (standalone == "no")
or (version and version ~= "1.0") then
return restricted_handler(self);
end
end
end
if lxp_supports_doctype then
xml_handlers.StartDoctypeDecl = restricted_handler;
end