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