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