1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/**
* @file llservicebuilder.cpp
* @brief Implementation of the LLServiceBuilder class.
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llapp.h"
#include "llfile.h"
#include "llservicebuilder.h"
#include "llsd.h"
#include "llsdserialize.h"
void LLServiceBuilder::loadServiceDefinitionsFromFile(
const std::string& service_filename)
{
llifstream service_file(service_filename.c_str(), std::ios::binary);
if(service_file.is_open())
{
LLSD service_data;
LLSDSerialize::fromXML(service_data, service_file);
service_file.close();
// Load service
LLSD service_map = service_data["services"];
for(LLSD::array_iterator array_itr = service_map.beginArray();
array_itr != service_map.endArray();
++array_itr)
{
LLSD service_llsd = (*array_itr)["service-builder"];
std::string service_name = (*array_itr)["name"].asString();
createServiceDefinition(service_name, service_llsd);
}
llinfos << "loaded config file: " << service_filename << llendl;
}
else
{
llwarns << "unable to find config file: " << service_filename << llendl;
}
}
void LLServiceBuilder::createServiceDefinition(
const std::string& service_name,
LLSD& service_llsd)
{
if(service_llsd.isString())
{
mServiceMap[ service_name ] = service_llsd.asString();
}
else if(service_llsd.isMap())
{
for(LLSD::map_iterator map_itr = service_llsd.beginMap();
map_itr != service_llsd.endMap();
++map_itr)
{
std::string compound_builder_name = service_name;
compound_builder_name.append("-");
compound_builder_name.append((*map_itr).first);
mServiceMap[ compound_builder_name ] = (*map_itr).second.asString();
}
}
}
std::string LLServiceBuilder::buildServiceURI(const std::string& service_name)
{
std::ostringstream service_url;
// Find the service builder
if(mServiceMap.find(service_name) != mServiceMap.end())
{
// construct the service builder url
LLApp* app = LLApp::instance();
if(app)
{
LLSD base_url = app->getOption("services-base-url");
service_url << base_url.asString();
}
service_url << mServiceMap[service_name];
}
else
{
llwarns << "Cannot find service " << service_name << llendl;
}
return service_url.str();
}
std::string LLServiceBuilder::buildServiceURI(
const std::string& service_name,
const LLSD& option_map)
{
return russ_format(buildServiceURI(service_name), option_map);
}
std::string russ_format(const std::string& format_str, const LLSD& context)
{
std::string service_url(format_str);
if(!service_url.empty() && context.isMap())
{
// throw in a ridiculously large limiter to make sure we don't
// loop forever with bad input.
int iterations = 100;
bool keep_looping = true;
while(keep_looping)
{
if(0 == --iterations)
{
keep_looping = false;
}
int depth = 0;
int deepest = 0;
bool find_match = false;
std::string::iterator iter(service_url.begin());
std::string::iterator end(service_url.end());
std::string::iterator deepest_node(service_url.end());
std::string::iterator deepest_node_end(service_url.end());
// parse out the variables to replace by going through {}s
// one at a time, starting with the "deepest" in series
// {{}}, and otherwise replacing right-to-left
for(; iter != end; ++iter)
{
switch(*iter)
{
case '{':
++depth;
if(depth > deepest)
{
deepest = depth;
deepest_node = iter;
find_match = true;
}
break;
case '}':
--depth;
if(find_match)
{
deepest_node_end = iter;
find_match = false;
}
break;
default:
break;
}
}
if((deepest_node == end) || (deepest_node_end == end))
{
break;
}
//replace the variable we found in the {} above.
// *NOTE: since the c++ implementation only understands
// params and straight string substitution, so it's a
// known distance of 2 to skip the directive.
std::string key(deepest_node + 2, deepest_node_end);
LLSD value = context[key];
switch(*(deepest_node + 1))
{
case '$':
if(value.isDefined())
{
service_url.replace(
deepest_node,
deepest_node_end + 1,
value.asString());
}
else
{
llwarns << "Unknown key: " << key << " in option map: "
<< LLSDOStreamer<LLSDNotationFormatter>(context)
<< llendl;
keep_looping = false;
}
break;
case '%':
{
std::string query_str = LLURI::mapToQueryString(value);
service_url.replace(
deepest_node,
deepest_node_end + 1,
query_str);
}
break;
default:
llinfos << "Unknown directive: " << *(deepest_node + 1)
<< llendl;
keep_looping = false;
break;
}
}
}
if (service_url.find('{') != std::string::npos)
{
llwarns << "Constructed a likely bogus service URL: " << service_url
<< llendl;
}
return service_url;
}
|
