mirror of
git://git.psyced.org/git/psyced
synced 2024-08-15 03:25:10 +00:00
296 lines
8.2 KiB
C
296 lines
8.2 KiB
C
// $Id: xmlrpc.c,v 1.24 2008/04/22 22:43:14 lynx Exp $ // vim:syntax=lpc
|
|
//
|
|
// TODO: shares to much code with url fetcher
|
|
// in the ideal world this would only contain marshal/unmarshal code
|
|
// for xmlrpc
|
|
// possibly we can come up with an marshal/unmarshal api and use
|
|
// the same framework for xml-rpc, soap and other things
|
|
//
|
|
#include <ht/http.h>
|
|
#include <net.h>
|
|
#include <url.h>
|
|
#include <xml.h>
|
|
|
|
#include <lpctypes.h>
|
|
|
|
virtual inherit NET_PATH "output"; // virtual: in case we get inherited..
|
|
inherit NET_PATH "http/fetch";
|
|
inherit NET_PATH "xml/parse";
|
|
|
|
volatile string postbody;
|
|
volatile closure callback;
|
|
|
|
int parse_status(string all);
|
|
int parse_header(string all);
|
|
int buffer_content(string all);
|
|
|
|
// recursively dump a structure
|
|
dump(mixed value) {
|
|
/* TODO: what happens if we feed a recursive structure here? */
|
|
string t;
|
|
switch(typeof(value)) {
|
|
case T_NUMBER:
|
|
return sprintf("<value><int>%d</int></value>", value);
|
|
case T_FLOAT:
|
|
return sprintf("<value><double>%O</double></value>", value);
|
|
case T_STRING:
|
|
// in theory we would have to convert this to utf-8!
|
|
// must to encode '<' and '&'
|
|
return sprintf("<value><string>%s</string></value>", value);
|
|
case T_MAPPING: // -> struct
|
|
// NOTE: THIS DOES NOT SUPPORT mappings with m_width > 2
|
|
t = "<value><struct>\n";
|
|
foreach(string key, mixed val : value) {
|
|
t += sprintf("<member>\n"
|
|
"<name>%s</name>\n"
|
|
"%s\n"
|
|
"</member>\n",
|
|
key, dump(val));
|
|
}
|
|
t += "</struct></value>";
|
|
return t;
|
|
case T_POINTER: // array
|
|
t = "<value><array><data>\n";
|
|
foreach(mixed val : value) {
|
|
t += dump(val) + "\n";
|
|
}
|
|
t += "</data></array></value>";
|
|
return t;
|
|
default:
|
|
PT(("do not know how to serialize %O type %d\n", value, typeof(value)))
|
|
PT(("yes, this is a bug!\n"))
|
|
break;
|
|
}
|
|
return "";
|
|
}
|
|
|
|
marshal(params) {
|
|
string s = "<params>\n";
|
|
foreach(mixed param : params) {
|
|
s += sprintf("<param>\n%s\n</param>\n", dump(param));
|
|
}
|
|
return s + "</params>\n";
|
|
}
|
|
|
|
void fetch(string murl) {
|
|
if (url) return;
|
|
url = murl;
|
|
}
|
|
|
|
void request(string method, mixed params, closure cb) { // TODO: errback API
|
|
if (fetching) {
|
|
enqueue(ME, ({ method, params, cb }));
|
|
return;
|
|
}
|
|
callback = cb;
|
|
postbody = sprintf("<?xml version='1.0'?>\n"
|
|
"<methodCall>\n"
|
|
"<methodName>%s</methodName>\n"
|
|
"%s\n"
|
|
// last is a \r\n!
|
|
"</methodCall>\r\n", method, marshal(params));
|
|
P3(("%O: request(%O)\n", ME, url))
|
|
connect();
|
|
}
|
|
|
|
int logon(int arg) {
|
|
buffer = "";
|
|
headers = ([ ]);
|
|
http_status = 500;
|
|
|
|
// this is all not https: compatible..
|
|
unless(::logon(arg, 1)) return -1;
|
|
unless (url) return -3;
|
|
unless (resource) sscanf(url, "http://%s/%s", host, resource);
|
|
// do somthing
|
|
emit("POST /" + resource + " HTTP/1.0\r\n"
|
|
+ "Host: " + host + "\r\n"
|
|
+ "Content-Type: text/xml\r\n"
|
|
+ "Content-Length: " + sizeof(postbody) + "\r\n");
|
|
emit("\r\n");
|
|
//+ "User-Agent: " + SERVER_VERSION + "\r\n");
|
|
emit(postbody);
|
|
next_input_to(#'parse_status);
|
|
return 0; // duh.
|
|
}
|
|
|
|
mixed * innerMarshal(mixed val) {
|
|
mixed args;
|
|
string type;
|
|
// TODO: methodSignature behaves strangely
|
|
XMLNode value;
|
|
foreach(mixed key, mixed vval : val) {
|
|
if (stringp(key) && key[0] == '/') {
|
|
type = key[1..];
|
|
value = val[key];
|
|
break;
|
|
}
|
|
}
|
|
switch(type) {
|
|
case "boolean": // map to 0, 1
|
|
// should probably check if this string is really "0" or "1"
|
|
case "int":
|
|
return ({ to_int(value[Cdata]) });
|
|
case "double":
|
|
// sigh... this is not double
|
|
return ({ to_float(value[Cdata]) });
|
|
case "dateTime.iso8601": // uhm... what do we map this to?
|
|
// unix timestamp probably?
|
|
break;
|
|
case "base64":
|
|
// probably containing binary data
|
|
return ({ decode_base64(value[Cdata]) });
|
|
// these two are complicated
|
|
case "array":
|
|
args = ({ });
|
|
value = value["/data"]["/value"];
|
|
unless(nodelistp(value)) value = ({ value });
|
|
foreach(mixed v : value) {
|
|
args += innerMarshal(v);
|
|
}
|
|
return ({ args });
|
|
case "struct": // mapping
|
|
args = ([ ]);
|
|
unless(nodelistp(value["/member"]))
|
|
value["/member"] = ({ value["/member"] });
|
|
foreach(mixed v: value["/member"]) {
|
|
args[v["/name"][Cdata]] = innerMarshal(v["/value"])[0];
|
|
}
|
|
return ({ args });
|
|
case "fault": // something is wrong
|
|
break;
|
|
default: // if no type is indicated, the type is string
|
|
case "string": // utf-8 encoded!
|
|
return ({ value[Cdata] });
|
|
}
|
|
return ({ });
|
|
}
|
|
|
|
mixed unMarshal(XMLNode parsed) {
|
|
XMLNode params;
|
|
mixed *helper;
|
|
|
|
mixed args = ({ }); // could be pre-allocated
|
|
unless(parsed["/fault"]) {
|
|
if (parsed["/params"]) {
|
|
params = parsed["/params"]["/param"];
|
|
} else {
|
|
params = ({ });
|
|
}
|
|
unless(nodelistp(params)) params = ({ params }); // special case
|
|
foreach(mixed param : params) {
|
|
args += innerMarshal(param["/value"]);
|
|
}
|
|
// should probably watch for HTTP 200
|
|
return args;
|
|
} else {
|
|
// TODO: fault handling
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int disconnected(string remainder) {
|
|
mixed *args;
|
|
|
|
headers["_fetchtime"] = isotime(ctime(time()), 1);
|
|
if (headers["last-modified"])
|
|
modificationtime = headers["last-modified"];
|
|
if (headers["etag"])
|
|
etag = headers["etag"]; // heise does not work with etag
|
|
|
|
fetched = buffer;
|
|
fheaders = headers;
|
|
buffer = headers = 0;
|
|
fetching = 0;
|
|
if (pointerp(args)) // no fault
|
|
funcall(callback, args...);
|
|
|
|
if (qSize(ME)) {
|
|
args = shift(ME);
|
|
call_out(#'request, 0, args...); // at next heart_beat
|
|
// request(args...);
|
|
}
|
|
return 1; // kind of expected
|
|
}
|
|
|
|
// helper methods, useful at least for ORA meerkat
|
|
// could do caching for these things
|
|
void listMethods(closure cb) {
|
|
request("system.listMethods", ({ }), cb);
|
|
}
|
|
|
|
void methodHelp(string method, closure cb) {
|
|
request("system.methodHelp", ({ method }), cb);
|
|
}
|
|
|
|
void methodSignature(string method, closure cb) {
|
|
request("system.methodSignature", ({ method }), cb);
|
|
}
|
|
|
|
|
|
varargs string content(closure cb, int force, int willbehave) { return ""; } // makes no sense
|
|
|
|
create() {
|
|
qCreate();
|
|
qInit(ME, 150, 5);
|
|
#ifdef MODULE_TESTS
|
|
selftest();
|
|
#endif
|
|
}
|
|
|
|
/*--------------------------------------------------------------------
|
|
* MODULE TESTS
|
|
* you should run them whenever you change the code
|
|
* if they fail, debug!
|
|
* do not check in code that does not pass the tests
|
|
*--------------------------------------------------------------------*/
|
|
#ifdef MODULE_TESTS
|
|
// automatic test cases
|
|
// add some if you like
|
|
selftest() {
|
|
// self tests...
|
|
// be careful, the order for structs is not guaranteed
|
|
int i, result;
|
|
mixed *structures = ({
|
|
({ 1, 2, 3, 4 }),
|
|
// ({ (["a" : 1, "b" : "boo" ]) }),
|
|
({ 1, 1.5, "a", ({ 1 }), (["a" : "foo" ]) })
|
|
});
|
|
mixed *strings = ({
|
|
"<params>\n<param>\n<value><int>1</int></value>\n</param>\n<param>\n<value><int>2</int></value>\n</param>\n<param>\n<value><int>3</int></value>\n</param>\n<param>\n<value><int>4</int></value>\n</param>\n</params>\n",
|
|
|
|
// "<params>\n<param>\n<value><struct>\n<member>\n<name>a</name>\n<value><int>1</int></value>\n</member>\n<member>\n<name>b</name>\n<value><string>boo</string></value>\n</member>\n</struct></value>\n</param>\n</params>\n",
|
|
|
|
"<params>\n<param>\n<value><int>1</int></value>\n</param>\n<param>\n<value><double>1.5</double></value>\n</param>\n<param>\n<value><string>a</string></value>\n</param>\n<param>\n<value><array><data>\n<value><int>1</int></value>\n</data></array></value>\n</param>\n<param>\n<value><struct>\n<member>\n<name>a</name>\n<value><string>foo</string></value>\n</member>\n</struct></value>\n</param>\n</params>\n"
|
|
});
|
|
|
|
i = 0;
|
|
foreach(mixed test : structures) {
|
|
result = marshal(test) == strings[i];
|
|
if (result) {
|
|
PT(("passed marshal test %d\n", i))
|
|
} else {
|
|
PT(("marshal test %d failed\n", i))
|
|
PT(("%O\n%O\n", marshal(test), strings[i]))
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
i = 0;
|
|
foreach(mixed test : strings) {
|
|
// set callback internally! it is safe to do so as we are
|
|
// doing only synchronus operations
|
|
XMLNode x = new_XMLNode;
|
|
x["/params"] = xmlparse(test);
|
|
result = sprintf("%O", unMarshal(x)) == sprintf("%O", structures[i]);
|
|
if (result) {
|
|
PT(("passed unmarshal test %d\n", i))
|
|
} else {
|
|
PT(("unmarshal test %d failed\n", i))
|
|
PT(("%O\n%O\n", unMarshal(x), structures[i]))
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
#endif
|