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authorDerrell Lipman <derrell@samba.org>2006-10-06 15:50:26 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:20:42 -0500
commit250399c9230ea972f6bf374fb9951b6cb35320f2 (patch)
tree153429c2707deb90857c1ad258b96449ddd67af2 /services
parent10c06a1968dbf39d8a3790077a3537b8323f36ff (diff)
downloadsamba-250399c9230ea972f6bf374fb9951b6cb35320f2.tar.gz
samba-250399c9230ea972f6bf374fb9951b6cb35320f2.tar.bz2
samba-250399c9230ea972f6bf374fb9951b6cb35320f2.zip
r19142: ensure no race conditions during installation by having same name in source and swat directory; install new apps and services
(This used to be commit a2b996317f81aa61d7d5bf427003399560e64f77)
Diffstat (limited to 'services')
-rw-r--r--services/json.esp269
-rw-r--r--services/json_auth.esp13
-rw-r--r--services/jsondate.esp200
-rw-r--r--services/qooxdoo/test.esp236
-rw-r--r--services/request.esp483
5 files changed, 1201 insertions, 0 deletions
diff --git a/services/json.esp b/services/json.esp
new file mode 100644
index 0000000000..6c59db0fca
--- /dev/null
+++ b/services/json.esp
@@ -0,0 +1,269 @@
+<%
+
+/*
+ * Copyright:
+ * (C) 2006 by Derrell Lipman
+ * All rights reserved
+ *
+ * License:
+ * LGPL 2.1: http://creativecommons.org/licenses/LGPL/2.1/
+ */
+
+/*
+ * This module provides a JSON encoder.
+ */
+
+
+/* escape a string as required by json */
+function _escape(s)
+{
+ var i;
+ var arr = new Array();
+
+ for (i = 0; i < strlen(s); i++)
+ {
+ var c = substr(s, i, 1);
+ if (c == '\x00')
+ {
+ arr[i] = '\\u0000';
+ }
+ if (Json._internal.convert[c] != undefined)
+ {
+ arr[i] = Json._internal.convert[c];
+ }
+ else
+ {
+ arr[i] = c;
+ }
+ }
+
+ if (arr.length == 0)
+ {
+ return "";
+ }
+
+ return join("", arr);
+}
+
+/* encode an arbitrary object. called recursively, for object and array */
+function _encode(o)
+{
+ var type = nativeTypeOf(o);
+
+ if (type == "undefined")
+ {
+ return "null"; /* you really shouldn't count on this! */
+ }
+ else if (type == "null")
+ {
+ return "null";
+ }
+ else if (type == "boolean")
+ {
+ if (o)
+ {
+ return "true";
+ }
+ else
+ {
+ return "false";
+ }
+ }
+ else if (type == "c_function" ||
+ type == "js_function" ||
+ type == "string_c_function")
+ {
+ /* no output */
+ }
+ else if (type == "float" ||
+ type == "integer" ||
+ type == "integer64")
+ {
+ return o + 0;
+ }
+ else if (type == "pointer")
+ {
+ var x = "" + o;
+ return '"' + substr(x, 16, strlen(x) - 16 - 1) + '"';
+ }
+ else if (type == "object")
+ {
+ var buf;
+
+ /* Is this an array or an ordinary object? */
+ if (o["length"] != undefined)
+ {
+ var i;
+
+ /* Assume it's an array if there's a length field */
+ buf = "[";
+ for (i = 0; i < o.length; i++)
+ {
+ /*
+ * NOTE: We don't support sparse arrays nor associative
+ * arrays. Should we later want to do either, we're supposed
+ * to send it as an object rather than as an array.
+ */
+ if (i > 0)
+ {
+ buf = buf + ",";
+ }
+ buf = buf + this.encode(o[i]);
+ }
+ buf = buf + "]";
+ }
+ else if (o["__type"] == "_JSON_Date")
+ {
+ buf = "" + o.encoding();
+ }
+ else
+ {
+ /* No length field, so it must be an ordinary object */
+ var key;
+ var first = true;
+
+ buf = "{";
+ for (key in o)
+ {
+ if (! first)
+ {
+ buf = buf + ",";
+ }
+ buf = buf + '"' + key + '":' + this.encode(o[key]);
+ first = false;
+ }
+ buf = buf + "}";
+ }
+
+ return buf;
+ }
+ else if (type == "string")
+ {
+ return '"' + this._internal.escape(o) + '"';
+ }
+ else
+ {
+ return '{ "unknown_object":"' + type + '"}';
+ }
+}
+
+/* Allocate the public Json access object */
+Json = new Object();
+
+/* Json.encode(): encode an arbitrary object */
+Json.encode = _encode;
+_encode = null;
+
+/* Json.decode(): decode a string into its object form */
+Json.decode = literal_to_var;
+
+/* Internal stuff, not for external access */
+Json._internal = new Object();
+
+Json._internal.escape = _escape;
+_escape = null;
+
+Json._internal.convert = new Object();
+Json._internal.convert['\b'] = '\\b';
+Json._internal.convert['\t'] = '\\t';
+Json._internal.convert['\n'] = '\\n';
+Json._internal.convert['\f'] = '\\f';
+Json._internal.convert['\r'] = '\\r';
+Json._internal.convert['"'] = '\\"';
+Json._internal.convert['\\'] = '\\\\';
+Json._internal.convert['\x01'] = '\\u0001';
+Json._internal.convert['\x02'] = '\\u0002';
+Json._internal.convert['\x03'] = '\\u0003';
+Json._internal.convert['\x04'] = '\\u0004';
+Json._internal.convert['\x05'] = '\\u0005';
+Json._internal.convert['\x06'] = '\\u0006';
+Json._internal.convert['\x07'] = '\\u0007';
+Json._internal.convert['\x08'] = '\\u0008';
+Json._internal.convert['\x09'] = '\\u0009';
+Json._internal.convert['\x0a'] = '\\u000a';
+Json._internal.convert['\x0b'] = '\\u000b';
+Json._internal.convert['\x0c'] = '\\u000c';
+Json._internal.convert['\x0d'] = '\\u000d';
+Json._internal.convert['\x0e'] = '\\u000e';
+Json._internal.convert['\x0f'] = '\\u000f';
+Json._internal.convert['\x10'] = '\\u0010';
+Json._internal.convert['\x11'] = '\\u0011';
+Json._internal.convert['\x12'] = '\\u0012';
+Json._internal.convert['\x13'] = '\\u0013';
+Json._internal.convert['\x14'] = '\\u0014';
+Json._internal.convert['\x15'] = '\\u0015';
+Json._internal.convert['\x16'] = '\\u0016';
+Json._internal.convert['\x17'] = '\\u0017';
+Json._internal.convert['\x18'] = '\\u0018';
+Json._internal.convert['\x19'] = '\\u0019';
+Json._internal.convert['\x1a'] = '\\u001a';
+Json._internal.convert['\x1b'] = '\\u001b';
+Json._internal.convert['\x1c'] = '\\u001c';
+Json._internal.convert['\x1d'] = '\\u001d';
+Json._internal.convert['\x1e'] = '\\u001e';
+Json._internal.convert['\x1f'] = '\\u001f';
+/*
+ * At some point, we probably want to add \x80-\xff as well, and it's then
+ * probably more efficient to generate these strings dynamically. (Even now
+ * it may be, but this was the the way I started, and so it remains.)
+ */
+
+
+/* Test it */
+/*
+libinclude("base.js");
+function testFormat()
+{
+ var test = new Object();
+ test.int = 23;
+ test.str = "hello world";
+ test.float = 223.1;
+ test.bool = true;
+ test.array = new Array();
+ test.array[0] = "hello";
+ test.array[1] = "world";
+ test.obj = new Object();
+ test.obj.int = 1000;
+ test.obj.array = new Array();
+ test.obj.array[0] = 42;
+ test.obj.array[1] = 223;
+ printf("%s\n", Json.encode(test));
+}
+testFormat();
+*/
+
+/*
+libinclude("base.js");
+function testParse()
+{
+ var s;
+
+ s = '{ "x" : 23 }';
+ obj = Json.decode(s);
+ printf("Decode/encode of\n\t%s\nyielded\n\t%s\n\n", s, Json.encode(obj));
+
+ s = '{ "x" : [ 23, 42] }';
+ obj = Json.decode(s);
+ printf("Decode/encode of\n\t%s\nyielded\n\t%s\n\n", s, Json.encode(obj));
+
+ s = '[ 13, 19, { "x" : [ 23, 42] }, 223 ]';
+ obj = Json.decode(s);
+ printf("Decode/encode of\n\t%s\nyielded\n\t%s\n\n", s, Json.encode(obj));
+
+ s = '{ "x" : [ "hi" ] }';
+ obj = Json.decode(s);
+ printf("Decode/encode of\n\t%s\nyielded\n\t%s\n\n", s, Json.encode(obj));
+
+ s = '[ 13, 19, { "x" : [ 23, 42, { "y":{"a":"hello", "b":"world", "c":[1,2,3]}}] }, 223 ]';
+ obj = Json.decode(s);
+ printf("Decode/encode of\n\t%s\nyielded\n\t%s\n\n", s, Json.encode(obj));
+}
+testParse();
+*/
+
+/*
+ * Local Variables:
+ * mode: c
+ * End:
+ */
+%>
diff --git a/services/json_auth.esp b/services/json_auth.esp
new file mode 100644
index 0000000000..2d58b6e2af
--- /dev/null
+++ b/services/json_auth.esp
@@ -0,0 +1,13 @@
+<%
+/* Return true to allow access; false otherwise */
+function json_authenticate(serviceComponents, method)
+{
+ return true;
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * End:
+ */
+%>
diff --git a/services/jsondate.esp b/services/jsondate.esp
new file mode 100644
index 0000000000..3467228df6
--- /dev/null
+++ b/services/jsondate.esp
@@ -0,0 +1,200 @@
+<%
+/*
+ * Copyright:
+ * (C) 2006 by Derrell Lipman
+ * All rights reserved
+ *
+ * License:
+ * LGPL 2.1: http://creativecommons.org/licenses/LGPL/2.1/
+ */
+
+/*
+ * Date class for JSON-RPC
+ */
+
+
+function _JSON_Date_create(secondsSinceEpoch)
+{
+ var o = new Object();
+ o.__type = "_JSON_Date";
+
+ function _setUtcDateTimeFields(year, month, day, hour, minute, second, millisecond)
+ {
+ this.year = year + 0;
+ this.month = month + 0;
+ this.day = day + 0;
+ this.hour = hour + 0;
+ this.minute = minute + 0;
+ this.second = second + 0;
+ this.millisecond = millisecond + 0;
+ }
+
+ o.setUtcYear = _setUtcDateTimeFields;
+
+ function _setUtcYear(year)
+ {
+ this.year = year + 0;
+ }
+ o.setUtcYear = _setUtcYear;
+
+ function _setUtcMonth(month)
+ {
+ this.month = month + 0;
+ }
+ o.setUtcMonth = _setUtcMonth;
+
+ function _setUtcDay(day)
+ {
+ this.day = day + 0;
+ }
+ o.setUtcDay = _setUtcDay;
+
+ function _setUtcHour(hour)
+ {
+ this.hour = hour + 0;
+ }
+ o.setUtcHour = _setUtcHour;
+
+ function _setUtcMinute(minute)
+ {
+ this.minute = minute + 0;
+ }
+ o.setUtcMinute = _setUtcMinute;
+
+ function _setUtcSecond(second)
+ {
+ this.second = second + 0;
+ }
+ o.setUtcSecond = _setUtcSecond;
+
+ function _setUtcMillisecond(millisecond)
+ {
+ this.millisecond = millisecond + 0;
+ }
+ o.setUtcMillisecond = _setUtcMillisecond;
+
+ function _setEpochTime(secondsSinceEpoch)
+ {
+ var microseconds = 0;
+
+ if (typeof(secondsSinceEpoch) != "number")
+ {
+ var currentTime = gettimeofday();
+ secondsSinceEpoch = currentTime.sec;
+ microseconds = currentTime.usec;
+ }
+
+ var tm = gmtime(secondsSinceEpoch);
+
+ this.year = 1900 + tm.tm_year;
+ this.month = tm.tm_mon;
+ this.day = tm.tm_mday;
+ this.hour = tm.tm_hour;
+ this.minute = tm.tm_min;
+ this.second = tm.tm_sec;
+ this.millisecond = 0;
+ }
+ o.setEpochTime = _setEpochTime;
+
+ function _getUtcYear()
+ {
+ return this.year;
+ }
+ o.getUtcYear = _getUtcYear;
+
+ function _getUtcMonth()
+ {
+ return this.month;
+ }
+ o.getUtcMonth = _getUtcMonth;
+
+ function _getUtcDay()
+ {
+ return this.day;
+ }
+ o.getUtcDay = _getUtcDay;
+
+ function _getUtcHour()
+ {
+ return this.hour;
+ }
+ o.getUtcHour = _getUtcHour;
+
+ function _getUtcMinute()
+ {
+ return this.minute;
+ }
+ o.getUtcMinute = _getUtcMinute;
+
+ function _getUtcSecond()
+ {
+ return this.second;
+ }
+ o.getUtcSecond = _getUtcSecond;
+
+ function _getUtcMillisecond()
+ {
+ return this.millisecond;
+ }
+ o.getUtcMillisecond = _getUtcMillisecond;
+
+ function _getEpochTime()
+ {
+ var tm = new Object();
+ tm.tm_sec = this.second;
+ tm.tm_min = this.minute;
+ tm.tm_hour = this.hour;
+ tm.tm_mday = -1;
+ tm.tm_mon = this.month;
+ tm.tm_year = this.year;
+ tm.tm_wday = -1;
+ tm.tm_yday = -1;
+ tm.isdst = 0;
+ return gmmktime(tm);
+ }
+ o.getEpochTime = _getEpochTime;
+
+ function _encoding()
+ {
+ /* Encode the date in a well-documented fashion */
+ return sprintf("new Date(Date.UTC(%d,%d,%d,%d,%d,%d,%d))",
+ this.year,
+ this.month,
+ this.day,
+ this.hour,
+ this.minute,
+ this.second,
+ this.millisecond);
+ }
+ o.encoding = _encoding;
+
+ if (! secondsSinceEpoch)
+ {
+ var now = gettimeofday();
+ o.setEpochTime(now.sec);
+ }
+ else
+ {
+ o.setEpochTime(secondsSinceEpoch);
+ }
+ o.year = 0;
+ o.month = 0;
+ o.day = 0;
+ o.hour = 0;
+ o.minute = 0;
+ o.second = 0;
+ o.millisecond = 0;
+ return o;
+}
+
+JSON_Date = new Object();
+JSON_Date.create = _JSON_Date_create;
+_JSON_Date_create = null;
+
+
+/*
+ * Local Variables:
+ * mode: c
+ * End:
+ */
+%>
diff --git a/services/qooxdoo/test.esp b/services/qooxdoo/test.esp
new file mode 100644
index 0000000000..e8686dcc25
--- /dev/null
+++ b/services/qooxdoo/test.esp
@@ -0,0 +1,236 @@
+<%
+/*
+ * Copyright:
+ * (C) 2006 by Derrell Lipman
+ * All rights reserved
+ *
+ * License:
+ * LGPL 2.1: http://creativecommons.org/licenses/LGPL/2.1/
+ */
+
+/*
+ * This is the standard qooxdoo test class. There are tests for each of the
+ * primitive types here, along with standard named tests "echo", "sink" and
+ * "sleep".
+ */
+
+/**
+ * Echo the (one and only) parameter.
+ *
+ * @param params
+ * An array containing the parameters to this method
+ *
+ * @param error
+ * An object of class JsonRpcError.
+ *
+ * @return
+ * Success: The object containing the result of the method;
+ * Failure: null
+ */
+function _echo(params, error)
+{
+ if (params.length != 1)
+ {
+ error.setError(JsonRpcError_ParameterMismatch,
+ "Expected 1 parameter; got " + params.length);
+ return error;
+ }
+ return "Client said: [" + params[0] + "]";
+}
+jsonrpc.method.echo = _echo;
+
+/**
+ * Sink all data and never return.
+ *
+ * @param params
+ * An array containing the parameters to this method (none expected)
+ *
+ * @param error
+ * An object of class JsonRpcError.
+ *
+ * @return
+ * "Never"
+ */
+function _sink(params, error)
+{
+ /* We're never supposed to return. Just sleep for a very long time. */
+ sleep(240);
+}
+jsonrpc.method.sink = _sink;
+
+/**
+ * Sleep for the number of seconds specified by the parameter.
+ *
+ * @param params
+ * An array containing the parameters to this method (one expected)
+ *
+ * @param error
+ * An object of class JsonRpcError.
+ *
+ * @return
+ * Success: The object containing the result of the method;
+ * Failure: null
+ */
+function _sleep(params, error)
+{
+ if (params.length != 1)
+ {
+ error.setError(JsonRpcError_ParameterMismatch,
+ "Expected 1 parameter; got " + params.length);
+ return error;
+ }
+
+ sleep(params[0]);
+ return params[0];
+}
+jsonrpc.method.sleep = _sleep;
+
+/*************************************************************************/
+
+/*
+ * The remainder of the functions test each individual primitive type, and
+ * test echoing arbitrary types. Hopefully the name is self-explanatory.
+ */
+
+function _getInteger(params, error)
+{
+ return 1;
+}
+jsonrpc.method.getInteger = _getInteger;
+
+function _getFloat(params, error)
+{
+ return 1/3;
+}
+jsonrpc.method.getFloat = _getFloat;
+
+function _getString(params, error)
+{
+ return "Hello world";
+}
+jsonrpc.method.getString = _getString;
+
+function _getBadString(params, error)
+{
+ return "<!DOCTYPE HTML \"-//IETF//DTD HTML 2.0//EN\">";
+}
+jsonrpc.method.getBadString = _getBadString;
+
+function _getArrayInteger(params, error)
+{
+ return new Array(1, 2, 3, 4);
+}
+jsonrpc.method.getArrayInteger = _getArrayInteger;
+
+function _getArrayString(params, error)
+{
+ return new Array("one", "two", "three", "four");
+}
+jsonrpc.method.getArrayString = _getArrayString;
+
+function _getObject(params, error)
+{
+ o = new Object(); // some arbitrary object
+ o.something = 23;
+ o.garbage = 'lkasjdff;lajsdfkl;sadf';
+ return o;
+}
+jsonrpc.method.getObject = _getObject;
+
+function _getTrue(params, error)
+{
+ return true;
+}
+jsonrpc.method.getTrue = _getTrue;
+
+function _getFalse(params, error)
+{
+ return false;
+}
+jsonrpc.method.getFalse = _getFalse;
+
+function _getNull(params, error)
+{
+ return null;
+}
+jsonrpc.method.getNull = _getNull;
+
+function _isInteger(params, error)
+{
+ var type = nativeTypeOf(params[0]);
+ return type == "integer" || type == "integer64";
+}
+jsonrpc.method.isInteger = _isInteger;
+
+function _isFloat(params, error)
+{
+ return nativeTypeOf(params[0]) == "float";
+}
+jsonrpc.method.isFloat = _isFloat;
+
+function _isString(params, error)
+{
+ return nativeTypeOf(params[0]) == "string";
+}
+jsonrpc.method.isString = _isString;
+
+function _isBoolean(params, error)
+{
+ return nativeTypeOf(params[0]) == "boolean";
+}
+jsonrpc.method.isBoolean = _isBoolean;
+
+function _isArray(params, error)
+{
+ return nativeTypeOf(params[0]) == "object" && params.length != undefined;
+}
+jsonrpc.method.isArray = _isArray;
+
+function _isObject(params, error)
+{
+ return nativeTypeOf(params[0]) == "object";
+}
+jsonrpc.method.isObject = _isObject;
+
+function _isNull(params, error)
+{
+ return nativeTypeOf(params[0]) == "null";
+}
+jsonrpc.method.isNull = _isNull;
+
+function _getParams(params, error)
+{
+ return params;
+}
+jsonrpc.method.getParams = _getParams;
+
+function _getParam(params, error)
+{
+ return params[0];
+}
+jsonrpc.method.getParam = _getParam;
+
+function _getCurrentTimestamp()
+{
+ now = gettimeofday();
+ obj = new Object();
+ obj.now = now.sec;
+ obj.json = JSON_Date.create(now);
+ return obj;
+}
+jsonrpc.method.getCurrentTimestamp = _getCurrentTimestamp;
+
+function _getError(params, error)
+{
+ error.setError(23, "This is an application-provided error");
+ return error;
+}
+jsonrpc.method.getError = _getError;
+
+
+/*
+ * Local Variables:
+ * mode: c
+ * End:
+ */
+%>
diff --git a/services/request.esp b/services/request.esp
new file mode 100644
index 0000000000..1cd22a71a8
--- /dev/null
+++ b/services/request.esp
@@ -0,0 +1,483 @@
+<%
+
+/*
+ * Copyright:
+ * (C) 2006 by Derrell Lipman
+ * All rights reserved
+ *
+ * License:
+ * LGPL 2.1: http://creativecommons.org/licenses/LGPL/2.1/
+ */
+
+/*
+ * This is a simple JSON-RPC server.
+ */
+
+/* Bring in the json format/parse functions */
+jsonrpc_include("json.esp");
+
+/* Bring in the date class */
+jsonrpc_include("jsondate.esp");
+
+/* Load the authentication script */
+jsonrpc_include("json_auth.esp");
+
+
+/* bring the string functions into the global frame */
+string_init(global);
+
+/* Bring the system functions into the global frame */
+sys_init(global);
+
+function printf()
+{
+ print(vsprintf(arguments));
+}
+
+
+/*
+ * All of our manipulation of JSON RPC methods will be through this object.
+ * Each class of methods will assign to here, and all of the constants will
+ * also be in this object.
+ */
+jsonrpc = new Object();
+jsonrpc.Constant = new Object();
+jsonrpc.Constant.ErrorOrigin = new Object(); /* error origins */
+jsonrpc.Constant.ErrorCode = new Object(); /* server-generated error codes */
+jsonrpc.method = new Object(); /* methods available in requested class */
+
+
+/*
+ * ScriptTransport constants
+ */
+jsonrpc.Constant.ScriptTransport = new Object();
+jsonrpc.Constant.ScriptTransport.NotInUse = -1;
+
+
+/*
+ * JSON-RPC error origin constants
+ */
+jsonrpc.Constant.ErrorOrigin.Server = 1;
+jsonrpc.Constant.ErrorOrigin.Application = 2;
+jsonrpc.Constant.ErrorOrigin.Transport = 3;
+jsonrpc.Constant.ErrorOrigin.Client = 4;
+
+
+
+/*
+ * JSON-RPC server-generated error code constants
+ */
+
+/**
+ * Error code, value 0: Unknown Error
+ *
+ * The default error code, used only when no specific error code is passed to
+ * the JsonRpcError constructor. This code should generally not be used.
+ */
+jsonrpc.Constant.ErrorCode.Unknown = 0;
+
+/**
+ * Error code, value 1: Illegal Service
+ *
+ * The service name contains illegal characters or is otherwise deemed
+ * unacceptable to the JSON-RPC server.
+ */
+jsonrpc.Constant.ErrorCode.IllegalService = 1;
+
+/**
+ * Error code, value 2: Service Not Found
+ *
+ * The requested service does not exist at the JSON-RPC server.
+ */
+jsonrpc.Constant.ErrorCode.ServiceNotFound = 2;
+
+/**
+ * Error code, value 3: Class Not Found
+ *
+ * If the JSON-RPC server divides service methods into subsets (classes), this
+ * indicates that the specified class was not found. This is slightly more
+ * detailed than "Method Not Found", but that error would always also be legal
+ * (and true) whenever this one is returned. (Not used in this implementation)
+ */
+jsonrpc.Constant.ErrorCode.ClassNotFound = 3; // not used in this implementation
+
+/**
+ * Error code, value 4: Method Not Found
+ *
+ * The method specified in the request is not found in the requested service.
+ */
+jsonrpc.Constant.ErrorCode.MethodNotFound = 4;
+
+/**
+ * Error code, value 5: Parameter Mismatch
+ *
+ * If a method discovers that the parameters (arguments) provided to it do not
+ * match the requisite types for the method's parameters, it should return
+ * this error code to indicate so to the caller.
+ */
+jsonrpc.Constant.ErrorCode.PaameterMismatch = 5;
+
+/**
+ * Error code, value 6: Permission Denied
+ *
+ * A JSON-RPC service provider can require authentication, and that
+ * authentication can be implemented such the method takes authentication
+ * parameters, or such that a method or class of methods requires prior
+ * authentication. If the caller has not properly authenticated to use the
+ * requested method, this error code is returned.
+ */
+jsonrpc.Constant.ErrorCode.PermissionDenied = 6;
+
+/*
+ * Error code, value 7: Unexpected Output
+ *
+ * The called method illegally generated output to the browser, which would
+ * have preceeded the JSON-RPC data.
+ */
+jsonrpc.Constant.ErrorCode.UnexpectedOutput = 7;
+
+
+
+
+
+
+
+function sendReply(reply, scriptTransportId)
+{
+ /* If not using ScriptTransport... */
+ if (scriptTransportId == jsonrpc.Constant.ScriptTransport.NotInUse)
+ {
+ /* ... then just output the reply. */
+ write(reply);
+ }
+ else
+ {
+ /* Otherwise, we need to add a call to a qooxdoo-specific function */
+ reply =
+ "qx.io.remote.ScriptTransport._requestFinished(" +
+ scriptTransportId + ", " + reply +
+ ");";
+ write(reply);
+ }
+}
+
+
+function _jsonValidRequest(req)
+{
+ if (req == undefined)
+ {
+ return false;
+ }
+
+ if (typeof(req) != "object")
+ {
+ return false;
+ }
+
+ if (req["id"] == undefined)
+ {
+ return false;
+ }
+
+ if (req["service"] == undefined)
+ {
+ return false;
+ }
+
+ if (req["method"] == undefined)
+ {
+ return false;
+ }
+
+ if (req["params"] == undefined)
+ {
+ return false;
+ }
+
+ return true;
+}
+jsonrpc.validRequest = _jsonValidRequest;
+_jsonValidRequest = null;
+
+/*
+ * class JsonRpcError
+ *
+ * This class allows service methods to easily provide error information for
+ * return via JSON-RPC.
+ */
+function _JsonRpcError_create(origin, code, message)
+{
+ var o = new Object();
+
+ o.data = new Object();
+ o.data.origin = origin;
+ o.data.code = code;
+ o.data.message = message;
+ o.scriptTransportId = jsonrpc.Constant.ScriptTransport.NotInUse;
+ o.__type = "_JsonRpcError";
+
+ function _origin(origin)
+ {
+ this.data.origin = origin;
+ }
+ o.setOrigin = _origin;
+
+ function _setError(code, message)
+ {
+ this.data.code = code;
+ this.data.message = message;
+ }
+ o.setError = _setError;
+
+ function _setId(id)
+ {
+ this.id = id;
+ }
+ o.setId = _setId;
+
+ function _setScriptTransportId(id)
+ {
+ this.scriptTransportId = id;
+ }
+ o.setScriptTransportId = _setScriptTransportId;
+
+ function _Send()
+ {
+ var error = this;
+ var id = this.id;
+ var ret = new Object();
+ ret.error = this.data;
+ ret.id = this.id;
+ sendReply(Json.encode(ret), this.scriptTransportId);
+ }
+ o.Send = _Send;
+
+ return o;
+}
+
+jsonrpc.createError = _JsonRpcError_create;
+_JsonRpcError_create = null;
+
+/*
+ * 'input' is the user-provided json-encoded request
+ * 'jsonInput' is that request, decoded into its object form
+ */
+var input;
+var jsonInput = null;
+
+/* Allocate a generic error object */
+error = jsonrpc.createError(jsonrpc.Constant.ErrorOrigin.Server,
+ jsonrpc.Constant.ErrorCode.Unknown,
+ "Unknown error");
+
+/* Assume (default) we're not using ScriptTransport */
+scriptTransportId = jsonrpc.Constant.ScriptTransport.NotInUse;
+
+/* What type of request did we receive? */
+if (request["REQUEST_METHOD"] == "POST" &&
+ request["CONTENT_TYPE"] == "text/json")
+{
+ /* We found literal POSTed json-rpc data (we hope) */
+ input = request["POST_DATA"];
+ jsonInput = Json.decode(input);
+}
+else if (request["REQUEST_METHOD"] == "GET" &&
+ form["_ScriptTransport_id"] != undefined &&
+ form["_ScriptTransport_data"] != undefined)
+{
+ /* We have what looks like a valid ScriptTransport request */
+ scriptTransportId = form["_ScriptTransport_id"];
+ error.setScriptTransportId(scriptTransportId);
+ input = form["_ScriptTransport_data"];
+ jsonInput = Json.decode(input);
+}
+
+/* Ensure that this was a JSON-RPC service request */
+if (! jsonrpc.validRequest(jsonInput))
+{
+ /*
+ * This request was not issued with JSON-RPC so echo the error rather than
+ * issuing a JsonRpcError response.
+ */
+ write("JSON-RPC request expected; service, method or params missing<br>");
+ return;
+}
+
+/*
+ * Ok, it looks like JSON-RPC, so we'll return an Error object if we encounter
+ * errors from here on out.
+ */
+error.setId(jsonInput.id);
+
+/* Service and method names may contain these characters */
+var nameChars =
+ "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+
+/* The first letter of service and method names must be a letter */
+var nameFirstLetter =
+ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+/*
+ * Ensure the method name is kosher. A meethod name should be:
+ *
+ * - first character is in [a-zA-Z]
+ * - other characters are in [_a-zA-Z0-9]
+ */
+
+/* First check for legal characters */
+if (strspn(jsonInput.method, nameChars) != strlen(jsonInput.method))
+{
+ /* There's some illegal character in the service name */
+ error.setError(JsonRpcError.MethodNotFound,
+ "Illegal character found in method name.");
+ error.Send();
+ return;
+}
+
+/* Now ensure that it begins with a letter */
+if (strspn(substr(jsonInput.method, 0, 1), nameFirstLetter) != 1)
+{
+ error.setError(jsonrpc.Constant.ErrorCode.MethodNotFound,
+ "The method name does not begin with a letter");
+ error.Send();
+ return;
+}
+
+/*
+ * Ensure the requested service name is kosher. A service name should be:
+ *
+ * - a dot-separated sequences of strings; no adjacent dots
+ * - first character of each string is in [a-zA-Z]
+ * - other characters are in [_a-zA-Z0-9]
+ */
+
+/* First check for legal characters */
+if (strspn(jsonInput.service, "." + nameChars) != strlen(jsonInput.service))
+{
+ /* There's some illegal character in the service name */
+ error.setError(JsonRpcError.IllegalService,
+ "Illegal character found in service name.");
+ error.Send();
+ return;
+}
+
+/*
+ * Now ensure there are no double dots.
+ *
+ * Frustration with ejs. Result must be NULL, but we can't use the ===
+ * operator: strstr() === null so we have to use typeof. If the result isn't
+ * null, then it'll be a number and therefore not type "pointer".
+ */
+if (typeof(strstr(jsonInput.service, "..")) != "pointer")
+{
+ error.setError(JsonRpcError.IllegalService,
+ "Illegal use of two consecutive dots in service name");
+ error.Send();
+ return;
+}
+
+/* Explode the service name into its dot-separated parts */
+var serviceComponents = split(".", jsonInput.service);
+
+/* Ensure that each component begins with a letter */
+for (var i = 0; i < serviceComponents.length; i++)
+{
+ if (strspn(substr(serviceComponents[i], 0, 1), nameFirstLetter) != 1)
+ {
+ error.setError(jsonrpc.Constant.ErrorCode.IllegalService,
+ "A service name component does not begin with a letter");
+ error.Send();
+ return;
+ }
+}
+
+/*
+ * Now replace all dots with slashes so we can locate the service script. We
+ * also retain the split components of the path, as the class name of the
+ * service is the last component of the path.
+ */
+var servicePath = join("/", serviceComponents) + ".esp";
+
+/* Load the requested class */
+if (jsonrpc_include(servicePath))
+{
+ /* Couldn't find the requested service */
+ error.setError(jsonrpc.Constant.ErrorCode.ServiceNotFound,
+ "Service class `" + servicePath + "` does not exist.");
+ error.Send();
+ return;
+}
+
+/*
+ * Find the requested method.
+ *
+ * What we really want to do here, and could do in any reasonable language,
+ * is:
+ *
+ * method = jsonrpc.method[jsonInput.method];
+ * if (method && typeof(method) == "function") ...
+ *
+ * The following completely unreasonable sequence of commands is because:
+ *
+ * (a) ejs evaluates all OR'ed expressions even if an early one is false, and
+ * barfs on the typeof(method) call if method is undefined
+ *
+ * (b) ejs does not allow comparing against the string "function"!!! What
+ * the hell is special about that particular string???
+ *
+ * E-gad. What a mess.
+ */
+var method = jsonrpc.method[jsonInput.method];
+var valid = (method != undefined);
+if (valid)
+{
+ var type = typeof(method);
+ if (substr(type, 0, 1) != 'f' || substr(type, 1) != "unction")
+ {
+ valid = false;
+ }
+}
+
+if (! valid)
+{
+ error.setError(jsonrpc.Constant.ErrorCode.MethodNotFound,
+ "Method `" + method + "` not found.");
+ error.Send();
+ return;
+}
+
+/* Ensure the logged-in user is allowed to issue the requested method */
+if (! json_authenticate(serviceComponents, method))
+{
+ error.setError(jsonrpc.Constant.ErrorCode.PermissionDenied,
+ "Permission denied");
+ error.Send();
+ return;
+}
+
+/* Most errors from here on out will be Application-generated */
+error.setOrigin(jsonrpc.Constant.ErrorOrigin.Application);
+
+/* Call the requested method passing it the provided params */
+var retval = method(jsonInput.params, error);
+
+/* See if the result of the function was actually an error object */
+if (retval["__type"] == "_JsonRpcError")
+{
+ /* Yup, it was. Return the error */
+ retval.Send();
+ return;
+}
+
+/* Give 'em what they came for! */
+var ret = new Object();
+ret.result = retval;
+ret.id = jsonInput.id;
+sendReply(Json.encode(ret), scriptTransportId);
+
+/*
+ * Local Variables:
+ * mode: c
+ * End:
+ */
+%>