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