src/convert_json.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <vector>
  21 #include <iostream>
  22 #include <sstream>
  23
  24 #include "convert_json.h"
  25 #include "mods.h"
  26 #include "config.h"
  27 #include "log.h"
  28 #include "settings.h"
  29 #include "httpfetch.h"
  30 #include "porting.h"
  31
  32 Json::Value fetchJsonValue(const std::string &url,
  33                 std::vector<std::string> *extra_headers)
  34 {
  35         HTTPFetchRequest fetch_request;
  36         HTTPFetchResult fetch_result;
  37         fetch_request.url = url;
  38         fetch_request.caller = HTTPFETCH_SYNC;
  39
  40         if (extra_headers != NULL)
  41                 fetch_request.extra_headers = *extra_headers;
  42
  43         httpfetch_sync(fetch_request, fetch_result);
  44
  45         if (!fetch_result.succeeded) {
  46                 return Json::Value();
  47         }
  48         Json::Value root;
  49         Json::Reader reader;
  50         std::istringstream stream(fetch_result.data);
  51
  52         if (!reader.parse(stream, root)) {
  53                 errorstream << "URL: " << url << std::endl;
  54                 errorstream << "Failed to parse json data " << reader.getFormattedErrorMessages();
  55                 if (fetch_result.data.size() > 100) {
  56                         errorstream << "Data (" << fetch_result.data.size()
  57                                 << " bytes) printed to warningstream." << std::endl;
  58                         warningstream << "data: \"" << fetch_result.data << "\"" << std::endl;
  59                 } else {
  60                         errorstream << "data: \"" << fetch_result.data << "\"" << std::endl;
  61                 }
  62                 return Json::Value();
  63         }
  64
  65         return root;
  66 }
  67
  68 std::vector<ModStoreMod>    readModStoreList(Json::Value& modlist) {
  69                 std::vector<ModStoreMod> retval;
  70
  71         if (modlist.isArray()) {
  72                 for (unsigned int i = 0; i < modlist.size(); i++)
  73                 {
  74                         ModStoreMod toadd;
  75                         toadd.valid = true;
  76
  77                         //id
  78                         if (modlist[i]["id"].asString().size()) {
  79                                 std::string id_raw = modlist[i]["id"].asString();
  80                                 char* endptr = 0;
  81                                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
  82
  83                                 if ((id_raw != "") && (*endptr == 0)) {
  84                                         toadd.id = numbervalue;
  85                                 }
  86                                 else {
  87                                         errorstream << "readModStoreList: missing id" << std::endl;
  88                                         toadd.valid = false;
  89                                 }
  90                         }
  91                         else {
  92                                 errorstream << "readModStoreList: missing id" << std::endl;
  93                                 toadd.valid = false;
  94                         }
  95
  96                         //title
  97                         if (modlist[i]["title"].asString().size()) {
  98                                 toadd.title = modlist[i]["title"].asString();
  99                         }
 100                         else {
 101                                 errorstream << "readModStoreList: missing title" << std::endl;
 102                                 toadd.valid = false;
 103                         }
 104
 105                         //basename
 106                         if (modlist[i]["basename"].asString().size()) {
 107                                 toadd.basename = modlist[i]["basename"].asString();
 108                         }
 109                         else {
 110                                 errorstream << "readModStoreList: missing basename" << std::endl;
 111                                 toadd.valid = false;
 112                         }
 113
 114                         //author
 115
 116                         //rating
 117
 118                         //version
 119
 120                         if (toadd.valid) {
 121                                 retval.push_back(toadd);
 122                         }
 123                 }
 124         }
 125         return retval;
 126 }
 127
 128 ModStoreModDetails          readModStoreModDetails(Json::Value& details) {
 129
 130         ModStoreModDetails retval;
 131
 132         retval.valid = true;
 133
 134         //version set
 135         if (details["version_set"].isArray()) {
 136                 for (unsigned int i = 0; i < details["version_set"].size(); i++)
 137                 {
 138                         ModStoreVersionEntry toadd;
 139
 140                         if (details["version_set"][i]["id"].asString().size()) {
 141                                 std::string id_raw = details["version_set"][i]["id"].asString();
 142                                 char* endptr = 0;
 143                                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 144
 145                                 if ((id_raw != "") && (*endptr == 0)) {
 146                                         toadd.id = numbervalue;
 147                                 }
 148                         }
 149                         else {
 150                                 errorstream << "readModStoreModDetails: missing version_set id" << std::endl;
 151                                 retval.valid = false;
 152                         }
 153
 154                         //date
 155                         if (details["version_set"][i]["date"].asString().size()) {
 156                                 toadd.date = details["version_set"][i]["date"].asString();
 157                         }
 158
 159                         //file
 160                         if (details["version_set"][i]["file"].asString().size()) {
 161                                 toadd.file = details["version_set"][i]["file"].asString();
 162                         }
 163                         else {
 164                                 errorstream << "readModStoreModDetails: missing version_set file" << std::endl;
 165                                 retval.valid = false;
 166                         }
 167
 168                         //approved
 169
 170                         //mtversion
 171
 172                         if( retval.valid ) {
 173                                 retval.versions.push_back(toadd);
 174                         }
 175                         else {
 176                                 break;
 177                         }
 178                 }
 179         }
 180
 181         if (retval.versions.size() < 1) {
 182                 infostream << "readModStoreModDetails: not a single version specified!" << std::endl;
 183                 retval.valid = false;
 184         }
 185
 186         //categories
 187         if (details["categories"].isObject()) {
 188                 for (unsigned int i = 0; i < details["categories"].size(); i++) {
 189                         ModStoreCategoryInfo toadd;
 190
 191                         if (details["categories"][i]["id"].asString().size()) {
 192
 193                                 std::string id_raw = details["categories"][i]["id"].asString();
 194                                 char* endptr = 0;
 195                                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 196
 197                                 if ((id_raw != "") && (*endptr == 0)) {
 198                                         toadd.id = numbervalue;
 199                                 }
 200                         }
 201                         else {
 202                                 errorstream << "readModStoreModDetails: missing categories id" << std::endl;
 203                                 retval.valid = false;
 204                         }
 205                         if (details["categories"][i]["title"].asString().size()) {
 206                                 toadd.name = details["categories"][i]["title"].asString();
 207                         }
 208                         else {
 209                                 errorstream << "readModStoreModDetails: missing categories title" << std::endl;
 210                                 retval.valid = false;
 211                         }
 212
 213                         if( retval.valid ) {
 214                                 retval.categories.push_back(toadd);
 215                         }
 216                         else {
 217                                 break;
 218                         }
 219                 }
 220         }
 221
 222         //author
 223         if (details["author"].isObject()) {
 224                 if (details["author"]["id"].asString().size()) {
 225
 226                         std::string id_raw = details["author"]["id"].asString();
 227                         char* endptr = 0;
 228                         int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 229
 230                         if ((id_raw != "") && (*endptr == 0)) {
 231                                 retval.author.id = numbervalue;
 232                         }
 233                         else {
 234                                 errorstream << "readModStoreModDetails: missing author id (convert)" << std::endl;
 235                                 retval.valid = false;
 236                         }
 237                 }
 238                 else {
 239                         errorstream << "readModStoreModDetails: missing author id" << std::endl;
 240                         retval.valid = false;
 241                 }
 242
 243                 if (details["author"]["username"].asString().size()) {
 244                         retval.author.username = details["author"]["username"].asString();
 245                 }
 246                 else {
 247                         errorstream << "readModStoreModDetails: missing author username" << std::endl;
 248                         retval.valid = false;
 249                 }
 250         }
 251         else {
 252                 errorstream << "readModStoreModDetails: missing author" << std::endl;
 253                 retval.valid = false;
 254         }
 255
 256         //license
 257         if (details["license"].isObject()) {
 258                 if (details["license"]["id"].asString().size()) {
 259
 260                         std::string id_raw = details["license"]["id"].asString();
 261                         char* endptr = 0;
 262                         int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 263
 264                         if ((id_raw != "") && (*endptr == 0)) {
 265                                 retval.license.id = numbervalue;
 266                         }
 267                 }
 268                 else {
 269                         errorstream << "readModStoreModDetails: missing license id" << std::endl;
 270                         retval.valid = false;
 271                 }
 272
 273                 if (details["license"]["short"].asString().size()) {
 274                         retval.license.shortinfo = details["license"]["short"].asString();
 275                 }
 276                 else {
 277                         errorstream << "readModStoreModDetails: missing license short" << std::endl;
 278                         retval.valid = false;
 279                 }
 280
 281                 if (details["license"]["link"].asString().size()) {
 282                         retval.license.url = details["license"]["link"].asString();
 283                 }
 284
 285         }
 286
 287         //titlepic
 288         if (details["titlepic"].isObject()) {
 289                 if (details["titlepic"]["id"].asString().size()) {
 290
 291                         std::string id_raw = details["titlepic"]["id"].asString();
 292                         char* endptr = 0;
 293                         int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 294
 295                         if ((id_raw != "") && (*endptr == 0)) {
 296                                 retval.titlepic.id = numbervalue;
 297                         }
 298                 }
 299
 300                 if (details["titlepic"]["file"].asString().size()) {
 301                         retval.titlepic.file = details["titlepic"]["file"].asString();
 302                 }
 303
 304                 if (details["titlepic"]["desc"].asString().size()) {
 305                         retval.titlepic.description = details["titlepic"]["desc"].asString();
 306                 }
 307
 308                 if (details["titlepic"]["mod"].asString().size()) {
 309
 310                         std::string mod_raw = details["titlepic"]["mod"].asString();
 311                         char* endptr = 0;
 312                         int numbervalue = strtol(mod_raw.c_str(),&endptr,10);
 313
 314                         if ((mod_raw != "") && (*endptr == 0)) {
 315                                 retval.titlepic.mod = numbervalue;
 316                         }
 317                 }
 318         }
 319
 320         //id
 321         if (details["id"].asString().size()) {
 322
 323                 std::string id_raw = details["id"].asString();
 324                 char* endptr = 0;
 325                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 326
 327                 if ((id_raw != "") && (*endptr == 0)) {
 328                         retval.id = numbervalue;
 329                 }
 330         }
 331         else {
 332                 errorstream << "readModStoreModDetails: missing id" << std::endl;
 333                 retval.valid = false;
 334         }
 335
 336         //title
 337         if (details["title"].asString().size()) {
 338                 retval.title = details["title"].asString();
 339         }
 340         else {
 341                 errorstream << "readModStoreModDetails: missing title" << std::endl;
 342                 retval.valid = false;
 343         }
 344
 345         //basename
 346         if (details["basename"].asString().size()) {
 347                 retval.basename = details["basename"].asString();
 348         }
 349         else {
 350                 errorstream << "readModStoreModDetails: missing basename" << std::endl;
 351                 retval.valid = false;
 352         }
 353
 354         //description
 355         if (details["desc"].asString().size()) {
 356                 retval.description = details["desc"].asString();
 357         }
 358
 359         //repository
 360         if (details["replink"].asString().size()) {
 361                 retval.repository = details["replink"].asString();
 362         }
 363
 364         //value
 365         if (details["value"].isInt()) {
 366                 retval.rating = details["value"].asInt();
 367         } else {
 368                 retval.rating = 0;
 369         }
 370
 371         //depends
 372         if (details["depends"].isArray()) {
 373                 //TODO
 374         }
 375
 376         //softdepends
 377         if (details["softdep"].isArray()) {
 378                 //TODO
 379         }
 380
 381         //screenshot url
 382         if (details["screenshot_url"].asString().size()) {
 383                 retval.screenshot_url = details["screenshot_url"].asString();
 384         }
 385
 386         return retval;
 387 }