1 2 #include <petscwebclient.h> 3 #pragma clang diagnostic ignored "-Wdeprecated-declarations" 4 #pragma gcc diagnostic ignored "-Wdeprecated-declarations" 5 6 /* 7 These variables identify the code as a PETSc application to Box. 8 9 See - http://stackoverflow.com/questions/4616553/using-oauth-in-free-open-source-software 10 Users can get their own application IDs - goto https://developers.box.com 11 12 */ 13 #define PETSC_BOX_CLIENT_ID "sse42nygt4zqgrdwi0luv79q1u1f0xza" 14 #define PETSC_BOX_CLIENT_ST "A0Dy4KgOYLB2JIYZqpbze4EzjeIiX5k4" 15 16 #if defined(PETSC_HAVE_SAWS) 17 #include <mongoose.h> 18 19 static volatile char *result = NULL; 20 21 static int PetscBoxWebServer_Private(struct mg_connection *conn) 22 { 23 const struct mg_request_info *request_info = mg_get_request_info(conn); 24 result = (char*) request_info->query_string; 25 return 1; /* Mongoose will now not handle the request */ 26 } 27 28 /* 29 Box can only return an authorization code to a Webserver, hence we need to start one up and wait for 30 the authorization code to arrive from Box 31 */ 32 static PetscErrorCode PetscBoxStartWebServer_Private(void) 33 { 34 PetscErrorCode ierr; 35 int optionsLen = 5; 36 const char *options[optionsLen]; 37 struct mg_callbacks callbacks; 38 struct mg_context *ctx; 39 char keyfile[PETSC_MAX_PATH_LEN]; 40 PetscBool exists; 41 42 PetscFunctionBegin; 43 options[0] = "listening_ports"; 44 options[1] = "8081s"; 45 46 ierr = PetscStrcpy(keyfile,"sslclient.pem");CHKERRQ(ierr); 47 ierr = PetscTestFile(keyfile,'r',&exists);CHKERRQ(ierr); 48 if (!exists) { 49 ierr = PetscGetHomeDirectory(keyfile,PETSC_MAX_PATH_LEN);CHKERRQ(ierr); 50 ierr = PetscStrcat(keyfile,"/");CHKERRQ(ierr); 51 ierr = PetscStrcat(keyfile,"sslclient.pem");CHKERRQ(ierr); 52 ierr = PetscTestFile(keyfile,'r',&exists);CHKERRQ(ierr); 53 if (!exists) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to locate sslclient.pem file in current directory or home directory"); 54 } 55 56 options[2] = "ssl_certificate"; 57 options[3] = keyfile; 58 options[4] = NULL; 59 60 /* Prepare callbacks structure. We have only one callback, the rest are NULL. */ 61 ierr = PetscMemzero(&callbacks, sizeof(callbacks));CHKERRQ(ierr); 62 callbacks.begin_request = PetscBoxWebServer_Private; 63 ctx = mg_start(&callbacks, NULL, options); 64 if (!ctx) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Unable to start up webserver"); 65 while (!result) {}; 66 PetscFunctionReturn(0); 67 } 68 69 #if defined(PETSC_HAVE_UNISTD_H) 70 #include <unistd.h> 71 #endif 72 73 /*@C 74 PetscBoxAuthorize - Get authorization and refresh token for accessing Box drive from PETSc 75 76 Not collective, only the first process in MPI_Comm does anything 77 78 Input Parameters: 79 + comm - the MPI communicator 80 - tokensize - size of the token arrays 81 82 Output Parameters: 83 + access_token - can be used with PetscBoxUpload() for this one session 84 - refresh_token - can be used for ever to obtain new access_tokens with PetscBoxRefresh(), guard this like a password 85 it gives access to your Box Drive 86 87 Notes: This call requires stdout and stdin access from process 0 on the MPI communicator 88 89 You can run src/sys/webclient/examples/tutorials/boxobtainrefreshtoken to get a refresh token and then in the future pass it to 90 PETSc programs with -box_refresh_token XXX 91 92 This requires PETSc be installed using --with-saws or --download-saws 93 94 Requires the user have created a self-signed ssl certificate with 95 96 $ saws/CA.pl -newcert (using the passphrase of password) 97 $ cat newkey.pem newcert.pem > sslclient.pem 98 99 and put the resulting file in either the current directory (with the application) or in the home directory. This seems kind of 100 silly but it was all I could figure out. 101 102 Level: intermediate 103 104 .seealso: PetscBoxRefresh(), PetscBoxUpload(), PetscURLShorten() 105 106 @*/ 107 PetscErrorCode PetscBoxAuthorize(MPI_Comm comm,char access_token[],char refresh_token[],size_t tokensize) 108 { 109 SSL_CTX *ctx; 110 SSL *ssl; 111 int sock; 112 PetscErrorCode ierr; 113 char buff[8*1024],body[1024]; 114 PetscMPIInt rank; 115 PetscBool flg,found; 116 117 PetscFunctionBegin; 118 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 119 if (!rank) { 120 if (!isatty(fileno(PETSC_STDOUT))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Requires users input/output"); 121 ierr = PetscPrintf(comm,"Cut and paste the following into your browser:\n\n" 122 "https://www.box.com/api/oauth2/authorize?" 123 "response_type=code&" 124 "client_id=" 125 PETSC_BOX_CLIENT_ID 126 "&state=PETScState" 127 "\n\n");CHKERRQ(ierr); 128 ierr = PetscBoxStartWebServer_Private();CHKERRQ(ierr); 129 ierr = PetscStrbeginswith((const char*)result,"state=PETScState&code=",&flg);CHKERRQ(ierr); 130 if (!flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_LIB,"Did not get expected string from Box got %s",result); 131 ierr = PetscStrncpy(buff,(const char*)result+22,sizeof(buff));CHKERRQ(ierr); 132 133 ierr = PetscSSLInitializeContext(&ctx);CHKERRQ(ierr); 134 ierr = PetscHTTPSConnect("www.box.com",443,ctx,&sock,&ssl);CHKERRQ(ierr); 135 ierr = PetscStrcpy(body,"code=");CHKERRQ(ierr); 136 ierr = PetscStrcat(body,buff);CHKERRQ(ierr); 137 ierr = PetscStrcat(body,"&client_id=");CHKERRQ(ierr); 138 ierr = PetscStrcat(body,PETSC_BOX_CLIENT_ID);CHKERRQ(ierr); 139 ierr = PetscStrcat(body,"&client_secret=");CHKERRQ(ierr); 140 ierr = PetscStrcat(body,PETSC_BOX_CLIENT_ST);CHKERRQ(ierr); 141 ierr = PetscStrcat(body,"&grant_type=authorization_code");CHKERRQ(ierr); 142 143 ierr = PetscHTTPSRequest("POST","www.box.com/api/oauth2/token",NULL,"application/x-www-form-urlencoded",body,ssl,buff,sizeof(buff));CHKERRQ(ierr); 144 ierr = PetscSSLDestroyContext(ctx);CHKERRQ(ierr); 145 close(sock); 146 147 ierr = PetscPullJSONValue(buff,"access_token",access_token,tokensize,&found);CHKERRQ(ierr); 148 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return access token"); 149 ierr = PetscPullJSONValue(buff,"refresh_token",refresh_token,tokensize,&found);CHKERRQ(ierr); 150 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return refresh token"); 151 152 ierr = PetscPrintf(comm,"Here is your Box refresh token, save it in a save place, in the future you can run PETSc\n");CHKERRQ(ierr); 153 ierr = PetscPrintf(comm,"programs with the option -box_refresh_token %s\n",refresh_token);CHKERRQ(ierr); 154 ierr = PetscPrintf(comm,"to access Box Drive automatically\n");CHKERRQ(ierr); 155 } 156 PetscFunctionReturn(0); 157 } 158 #endif 159 160 /*@C 161 PetscBoxRefresh - Get a new authorization token for accessing Box drive from PETSc from a refresh token 162 163 Not collective, only the first process in the MPI_Comm does anything 164 165 Input Parameters: 166 + comm - MPI communicator 167 . refresh token - obtained with PetscBoxAuthorize(), if NULL PETSc will first look for one in the options data 168 if not found it will call PetscBoxAuthorize() 169 - tokensize - size of the output string access_token 170 171 Output Parameter: 172 + access_token - token that can be passed to PetscBoxUpload() 173 - new_refresh_token - the old refresh token is no longer valid, not this is different than Google where the same refresh_token is used forever 174 175 Level: intermediate 176 177 .seealso: PetscURLShorten(), PetscBoxAuthorize(), PetscBoxUpload() 178 179 @*/ 180 PetscErrorCode PetscBoxRefresh(MPI_Comm comm,const char refresh_token[],char access_token[],char new_refresh_token[],size_t tokensize) 181 { 182 SSL_CTX *ctx; 183 SSL *ssl; 184 int sock; 185 PetscErrorCode ierr; 186 char buff[8*1024],body[1024]; 187 PetscMPIInt rank; 188 char *refreshtoken = (char*)refresh_token; 189 PetscBool found; 190 191 PetscFunctionBegin; 192 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 193 if (!rank) { 194 if (!refresh_token) { 195 PetscBool set; 196 ierr = PetscMalloc1(512,&refreshtoken);CHKERRQ(ierr); 197 ierr = PetscOptionsGetString(NULL,NULL,"-box_refresh_token",refreshtoken,512,&set);CHKERRQ(ierr); 198 #if defined(PETSC_HAVE_SAWS) 199 if (!set) { 200 ierr = PetscBoxAuthorize(comm,access_token,new_refresh_token,512*sizeof(char));CHKERRQ(ierr); 201 ierr = PetscFree(refreshtoken);CHKERRQ(ierr); 202 PetscFunctionReturn(0); 203 } 204 #else 205 if (!set) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Must provide refresh token with -box_refresh_token XXX"); 206 #endif 207 } 208 ierr = PetscSSLInitializeContext(&ctx);CHKERRQ(ierr); 209 ierr = PetscHTTPSConnect("www.box.com",443,ctx,&sock,&ssl);CHKERRQ(ierr); 210 ierr = PetscStrcpy(body,"client_id=");CHKERRQ(ierr); 211 ierr = PetscStrcat(body,PETSC_BOX_CLIENT_ID);CHKERRQ(ierr); 212 ierr = PetscStrcat(body,"&client_secret=");CHKERRQ(ierr); 213 ierr = PetscStrcat(body,PETSC_BOX_CLIENT_ST);CHKERRQ(ierr); 214 ierr = PetscStrcat(body,"&refresh_token=");CHKERRQ(ierr); 215 ierr = PetscStrcat(body,refreshtoken);CHKERRQ(ierr); 216 if (!refresh_token) {ierr = PetscFree(refreshtoken);CHKERRQ(ierr);} 217 ierr = PetscStrcat(body,"&grant_type=refresh_token");CHKERRQ(ierr); 218 219 ierr = PetscHTTPSRequest("POST","www.box.com/api/oauth2/token",NULL,"application/x-www-form-urlencoded",body,ssl,buff,sizeof(buff));CHKERRQ(ierr); 220 ierr = PetscSSLDestroyContext(ctx);CHKERRQ(ierr); 221 close(sock); 222 223 ierr = PetscPullJSONValue(buff,"access_token",access_token,tokensize,&found);CHKERRQ(ierr); 224 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return access token"); 225 ierr = PetscPullJSONValue(buff,"refresh_token",new_refresh_token,tokensize,&found);CHKERRQ(ierr); 226 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return refresh token"); 227 228 ierr = PetscPrintf(comm,"Here is your new Box refresh token, save it in a save place, in the future you can run PETSc\n");CHKERRQ(ierr); 229 ierr = PetscPrintf(comm,"programs with the option -box_refresh_token %s\n",new_refresh_token);CHKERRQ(ierr); 230 ierr = PetscPrintf(comm,"to access Box Drive automatically\n");CHKERRQ(ierr); 231 } 232 PetscFunctionReturn(0); 233 } 234 235 #include <sys/stat.h> 236 237 /*@C 238 PetscBoxUpload - Loads a file to the Box Drive 239 240 This routine has not yet been written; it is just copied from Google Drive 241 242 Not collective, only the first process in the MPI_Comm uploads the file 243 244 Input Parameters: 245 + comm - MPI communicator 246 . access_token - obtained with PetscBoxRefresh(), pass NULL to have PETSc generate one 247 - filename - file to upload; if you upload multiple times it will have different names each time on Box Drive 248 249 Options Database: 250 . -box_refresh_token XXX 251 252 Usage Patterns: 253 With PETSc option -box_refresh_token XXX given 254 PetscBoxUpload(comm,NULL,filename); will upload file with no user interaction 255 256 Without PETSc option -box_refresh_token XXX given 257 PetscBoxUpload(comm,NULL,filename); for first use will prompt user to authorize access to Box Drive with their processor 258 259 With PETSc option -box_refresh_token XXX given 260 PetscBoxRefresh(comm,NULL,access_token,sizeof(access_token)); 261 PetscBoxUpload(comm,access_token,filename); 262 263 With refresh token entered in some way by the user 264 PetscBoxRefresh(comm,refresh_token,access_token,sizeof(access_token)); 265 PetscBoxUpload(comm,access_token,filename); 266 267 PetscBoxAuthorize(comm,access_token,refresh_token,sizeof(access_token)); 268 PetscBoxUpload(comm,access_token,filename); 269 270 Level: intermediate 271 272 .seealso: PetscURLShorten(), PetscBoxAuthorize(), PetscBoxRefresh() 273 274 @*/ 275 PetscErrorCode PetscBoxUpload(MPI_Comm comm,const char access_token[],const char filename[]) 276 { 277 SSL_CTX *ctx; 278 SSL *ssl; 279 int sock; 280 PetscErrorCode ierr; 281 char head[1024],buff[8*1024],*body,*title; 282 PetscMPIInt rank; 283 struct stat sb; 284 size_t len,blen,rd; 285 FILE *fd; 286 287 PetscFunctionBegin; 288 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 289 if (!rank) { 290 ierr = PetscStrcpy(head,"Authorization: Bearer ");CHKERRQ(ierr); 291 ierr = PetscStrcat(head,access_token);CHKERRQ(ierr); 292 ierr = PetscStrcat(head,"\r\n");CHKERRQ(ierr); 293 ierr = PetscStrcat(head,"uploadType: multipart\r\n");CHKERRQ(ierr); 294 295 ierr = stat(filename,&sb); 296 if (ierr) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to stat file: %s",filename); 297 len = 1024 + sb.st_size; 298 ierr = PetscMalloc1(len,&body);CHKERRQ(ierr); 299 ierr = PetscStrcpy(body,"--foo_bar_baz\r\n" 300 "Content-Type: application/json\r\n\r\n" 301 "{");CHKERRQ(ierr); 302 ierr = PetscPushJSONValue(body,"title",filename,len);CHKERRQ(ierr); 303 ierr = PetscStrcat(body,",");CHKERRQ(ierr); 304 ierr = PetscPushJSONValue(body,"mimeType","text.html",len);CHKERRQ(ierr); 305 ierr = PetscStrcat(body,",");CHKERRQ(ierr); 306 ierr = PetscPushJSONValue(body,"description","a file",len);CHKERRQ(ierr); 307 ierr = PetscStrcat(body, "}\r\n\r\n" 308 "--foo_bar_baz\r\n" 309 "Content-Type: text/html\r\n\r\n");CHKERRQ(ierr); 310 ierr = PetscStrlen(body,&blen);CHKERRQ(ierr); 311 fd = fopen (filename, "r"); 312 if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to open file: %s",filename); 313 rd = fread (body+blen, sizeof (unsigned char), sb.st_size, fd); 314 if (rd != (size_t)sb.st_size) SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to read entire file: %s %d %d",filename,(int)rd,(int)sb.st_size); 315 fclose(fd); 316 body[blen + rd] = 0; 317 ierr = PetscStrcat(body,"\r\n\r\n" 318 "--foo_bar_baz\r\n");CHKERRQ(ierr); 319 ierr = PetscSSLInitializeContext(&ctx);CHKERRQ(ierr); 320 ierr = PetscHTTPSConnect("www.boxapis.com",443,ctx,&sock,&ssl);CHKERRQ(ierr); 321 ierr = PetscHTTPSRequest("POST","www.boxapis.com/upload/drive/v2/files/",head,"multipart/related; boundary=\"foo_bar_baz\"",body,ssl,buff,sizeof(buff));CHKERRQ(ierr); 322 ierr = PetscFree(body);CHKERRQ(ierr); 323 ierr = PetscSSLDestroyContext(ctx);CHKERRQ(ierr); 324 close(sock); 325 ierr = PetscStrstr(buff,"\"title\"",&title);CHKERRQ(ierr); 326 if (!title) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_LIB,"Upload of file %s failed",filename); 327 } 328 PetscFunctionReturn(0); 329 } 330 331 332