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 "main.h" // for g_settings
  29 #include "settings.h"
  30 #include "version.h"
  31 #include "httpfetch.h"
  32 #include "porting.h"
  33
  34 Json::Value                 fetchJsonValue(const std::string &url,
  35                 struct curl_slist *chunk) {
  36
  37         HTTPFetchRequest fetchrequest;
  38         HTTPFetchResult fetchresult;
  39         fetchrequest.url = url;
  40         fetchrequest.caller = HTTPFETCH_SYNC;
  41
  42 #if USE_CURL
  43         struct curl_slist* runptr = chunk;
  44         while(runptr) {
  45                 fetchrequest.extra_headers.push_back(runptr->data);
  46                 runptr = runptr->next;
  47         }
  48 #endif
  49         httpfetch_sync(fetchrequest,fetchresult);
  50
  51         if (!fetchresult.succeeded) {
  52                 return Json::Value();
  53         }
  54         Json::Value root;
  55         Json::Reader reader;
  56         std::istringstream stream(fetchresult.data);
  57
  58         if (!reader.parse( stream, root ) )
  59         {
  60                 errorstream << "URL: " << url << std::endl;
  61                 errorstream << "Failed to parse json data " << reader.getFormattedErrorMessages();
  62                 errorstream << "data: \"" << fetchresult.data << "\"" << std::endl;
  63                 return Json::Value();
  64         }
  65
  66         if (root.isArray()) {
  67                 return root;
  68         }
  69         if ((root["list"].isArray())) {
  70                 return root["list"];
  71         }
  72         else {
  73                 return root;
  74         }
  75
  76         return Json::Value();
  77 }
  78
  79 std::vector<ModStoreMod>    readModStoreList(Json::Value& modlist) {
  80                 std::vector<ModStoreMod> retval;
  81
  82         if (modlist.isArray()) {
  83                 for (unsigned int i = 0; i < modlist.size(); i++)
  84                 {
  85                         ModStoreMod toadd;
  86                         toadd.valid = true;
  87
  88                         //id
  89                         if (modlist[i]["id"].asString().size()) {
  90                                 std::string id_raw = modlist[i]["id"].asString();
  91                                 char* endptr = 0;
  92                                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
  93
  94                                 if ((id_raw != "") && (*endptr == 0)) {
  95                                         toadd.id = numbervalue;
  96                                 }
  97                                 else {
  98                                         errorstream << "readModStoreList: missing id" << std::endl;
  99                                         toadd.valid = false;
 100                                 }
 101                         }
 102                         else {
 103                                 errorstream << "readModStoreList: missing id" << std::endl;
 104                                 toadd.valid = false;
 105                         }
 106
 107                         //title
 108                         if (modlist[i]["title"].asString().size()) {
 109                                 toadd.title = modlist[i]["title"].asString();
 110                         }
 111                         else {
 112                                 errorstream << "readModStoreList: missing title" << std::endl;
 113                                 toadd.valid = false;
 114                         }
 115
 116                         //basename
 117                         if (modlist[i]["basename"].asString().size()) {
 118                                 toadd.basename = modlist[i]["basename"].asString();
 119                         }
 120                         else {
 121                                 errorstream << "readModStoreList: missing basename" << std::endl;
 122                                 toadd.valid = false;
 123                         }
 124
 125                         //author
 126
 127                         //rating
 128
 129                         //version
 130
 131                         if (toadd.valid) {
 132                                 retval.push_back(toadd);
 133                         }
 134                 }
 135         }
 136         return retval;
 137 }
 138
 139 ModStoreModDetails          readModStoreModDetails(Json::Value& details) {
 140
 141         ModStoreModDetails retval;
 142
 143         retval.valid = true;
 144
 145         //version set
 146         if (details["version_set"].isArray()) {
 147                 for (unsigned int i = 0; i < details["version_set"].size(); i++)
 148                 {
 149                         ModStoreVersionEntry toadd;
 150
 151                         if (details["version_set"][i]["id"].asString().size()) {
 152                                 std::string id_raw = details["version_set"][i]["id"].asString();
 153                                 char* endptr = 0;
 154                                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 155
 156                                 if ((id_raw != "") && (*endptr == 0)) {
 157                                         toadd.id = numbervalue;
 158                                 }
 159                         }
 160                         else {
 161                                 errorstream << "readModStoreModDetails: missing version_set id" << std::endl;
 162                                 retval.valid = false;
 163                         }
 164
 165                         //date
 166                         if (details["version_set"][i]["date"].asString().size()) {
 167                                 toadd.date = details["version_set"][i]["date"].asString();
 168                         }
 169
 170                         //file
 171                         if (details["version_set"][i]["file"].asString().size()) {
 172                                 toadd.file = details["version_set"][i]["file"].asString();
 173                         }
 174                         else {
 175                                 errorstream << "readModStoreModDetails: missing version_set file" << std::endl;
 176                                 retval.valid = false;
 177                         }
 178
 179                         //approved
 180
 181                         //mtversion
 182
 183                         if( retval.valid ) {
 184                                 retval.versions.push_back(toadd);
 185                         }
 186                         else {
 187                                 break;
 188                         }
 189                 }
 190         }
 191
 192         if (retval.versions.size() < 1) {
 193                 infostream << "readModStoreModDetails: not a single version specified!" << std::endl;
 194                 retval.valid = false;
 195         }
 196
 197         //categories
 198         if (details["categories"].isObject()) {
 199                 for (unsigned int i = 0; i < details["categories"].size(); i++) {
 200                         ModStoreCategoryInfo toadd;
 201
 202                         if (details["categories"][i]["id"].asString().size()) {
 203
 204                                 std::string id_raw = details["categories"][i]["id"].asString();
 205                                 char* endptr = 0;
 206                                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 207
 208                                 if ((id_raw != "") && (*endptr == 0)) {
 209                                         toadd.id = numbervalue;
 210                                 }
 211                         }
 212                         else {
 213                                 errorstream << "readModStoreModDetails: missing categories id" << std::endl;
 214                                 retval.valid = false;
 215                         }
 216                         if (details["categories"][i]["title"].asString().size()) {
 217                                 toadd.name = details["categories"][i]["title"].asString();
 218                         }
 219                         else {
 220                                 errorstream << "readModStoreModDetails: missing categories title" << std::endl;
 221                                 retval.valid = false;
 222                         }
 223
 224                         if( retval.valid ) {
 225                                 retval.categories.push_back(toadd);
 226                         }
 227                         else {
 228                                 break;
 229                         }
 230                 }
 231         }
 232
 233         //author
 234         if (details["author"].isObject()) {
 235                 if (details["author"]["id"].asString().size()) {
 236
 237                         std::string id_raw = details["author"]["id"].asString();
 238                         char* endptr = 0;
 239                         int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 240
 241                         if ((id_raw != "") && (*endptr == 0)) {
 242                                 retval.author.id = numbervalue;
 243                         }
 244                         else {
 245                                 errorstream << "readModStoreModDetails: missing author id (convert)" << std::endl;
 246                                 retval.valid = false;
 247                         }
 248                 }
 249                 else {
 250                         errorstream << "readModStoreModDetails: missing author id" << std::endl;
 251                         retval.valid = false;
 252                 }
 253
 254                 if (details["author"]["username"].asString().size()) {
 255                         retval.author.username = details["author"]["username"].asString();
 256                 }
 257                 else {
 258                         errorstream << "readModStoreModDetails: missing author username" << std::endl;
 259                         retval.valid = false;
 260                 }
 261         }
 262         else {
 263                 errorstream << "readModStoreModDetails: missing author" << std::endl;
 264                 retval.valid = false;
 265         }
 266
 267         //license
 268         if (details["license"].isObject()) {
 269                 if (details["license"]["id"].asString().size()) {
 270
 271                         std::string id_raw = details["license"]["id"].asString();
 272                         char* endptr = 0;
 273                         int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 274
 275                         if ((id_raw != "") && (*endptr == 0)) {
 276                                 retval.license.id = numbervalue;
 277                         }
 278                 }
 279                 else {
 280                         errorstream << "readModStoreModDetails: missing license id" << std::endl;
 281                         retval.valid = false;
 282                 }
 283
 284                 if (details["license"]["short"].asString().size()) {
 285                         retval.license.shortinfo = details["license"]["short"].asString();
 286                 }
 287                 else {
 288                         errorstream << "readModStoreModDetails: missing license short" << std::endl;
 289                         retval.valid = false;
 290                 }
 291
 292                 if (details["license"]["link"].asString().size()) {
 293                         retval.license.url = details["license"]["link"].asString();
 294                 }
 295
 296         }
 297
 298         //titlepic
 299         if (details["titlepic"].isObject()) {
 300                 if (details["titlepic"]["id"].asString().size()) {
 301
 302                         std::string id_raw = details["titlepic"]["id"].asString();
 303                         char* endptr = 0;
 304                         int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 305
 306                         if ((id_raw != "") && (*endptr == 0)) {
 307                                 retval.titlepic.id = numbervalue;
 308                         }
 309                 }
 310
 311                 if (details["titlepic"]["file"].asString().size()) {
 312                         retval.titlepic.file = details["titlepic"]["file"].asString();
 313                 }
 314
 315                 if (details["titlepic"]["desc"].asString().size()) {
 316                         retval.titlepic.description = details["titlepic"]["desc"].asString();
 317                 }
 318
 319                 if (details["titlepic"]["mod"].asString().size()) {
 320
 321                         std::string mod_raw = details["titlepic"]["mod"].asString();
 322                         char* endptr = 0;
 323                         int numbervalue = strtol(mod_raw.c_str(),&endptr,10);
 324
 325                         if ((mod_raw != "") && (*endptr == 0)) {
 326                                 retval.titlepic.mod = numbervalue;
 327                         }
 328                 }
 329         }
 330
 331         //id
 332         if (details["id"].asString().size()) {
 333
 334                 std::string id_raw = details["id"].asString();
 335                 char* endptr = 0;
 336                 int numbervalue = strtol(id_raw.c_str(),&endptr,10);
 337
 338                 if ((id_raw != "") && (*endptr == 0)) {
 339                         retval.id = numbervalue;
 340                 }
 341         }
 342         else {
 343                 errorstream << "readModStoreModDetails: missing id" << std::endl;
 344                 retval.valid = false;
 345         }
 346
 347         //title
 348         if (details["title"].asString().size()) {
 349                 retval.title = details["title"].asString();
 350         }
 351         else {
 352                 errorstream << "readModStoreModDetails: missing title" << std::endl;
 353                 retval.valid = false;
 354         }
 355
 356         //basename
 357         if (details["basename"].asString().size()) {
 358                 retval.basename = details["basename"].asString();
 359         }
 360         else {
 361                 errorstream << "readModStoreModDetails: missing basename" << std::endl;
 362                 retval.valid = false;
 363         }
 364
 365         //description
 366         if (details["desc"].asString().size()) {
 367                 retval.description = details["desc"].asString();
 368         }
 369
 370         //repository
 371         if (details["replink"].asString().size()) {
 372                 retval.repository = details["replink"].asString();
 373         }
 374
 375         //value
 376         if (details["rating"].asString().size()) {
 377
 378                 std::string id_raw = details["rating"].asString();
 379                 char* endptr = 0;
 380                 float numbervalue = strtof(id_raw.c_str(),&endptr);
 381
 382                 if ((id_raw != "") && (*endptr == 0)) {
 383                         retval.rating = numbervalue;
 384                 }
 385         }
 386         else {
 387                 retval.rating = 0.0;
 388         }
 389
 390         //depends
 391         if (details["depends"].isArray()) {
 392                 //TODO
 393         }
 394
 395         //softdepends
 396         if (details["softdep"].isArray()) {
 397                 //TODO
 398         }
 399
 400         //screenshot url
 401         if (details["screenshot_url"].asString().size()) {
 402                 retval.screenshot_url = details["screenshot_url"].asString();
 403         }
 404
 405         return retval;
 406 }