1 #include <petscwebclient.h> 2 #pragma clang diagnostic ignored "-Wdeprecated-declarations" 3 #pragma gcc diagnostic ignored "-Wdeprecated-declarations" 4 5 /* 6 Encodes and decodes from MIME Base64 7 */ 8 static char encoding_table[] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 9 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 10 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 11 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 12 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 13 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 14 'w', 'x', 'y', 'z', '0', '1', '2', '3', 15 '4', '5', '6', '7', '8', '9', '+', '/'}; 16 17 static PetscErrorCode base64_encode(const unsigned char *data,unsigned char *encoded_data,size_t len) 18 { 19 static size_t mod_table[] = {0, 2, 1}; 20 size_t i,j; 21 size_t input_length,output_length; 22 PetscErrorCode ierr; 23 24 PetscFunctionBegin; 25 ierr = PetscStrlen((const char*)data,&input_length);CHKERRQ(ierr); 26 output_length = 4 * ((input_length + 2) / 3); 27 if (output_length > len) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONG,"Output length not large enough"); 28 29 for (i = 0, j = 0; i < input_length;) { 30 uint32_t octet_a = i < input_length ? (unsigned char)data[i++] : 0; 31 uint32_t octet_b = i < input_length ? (unsigned char)data[i++] : 0; 32 uint32_t octet_c = i < input_length ? (unsigned char)data[i++] : 0; 33 uint32_t triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c; 34 35 encoded_data[j++] = encoding_table[(triple >> 3 * 6) & 0x3F]; 36 encoded_data[j++] = encoding_table[(triple >> 2 * 6) & 0x3F]; 37 encoded_data[j++] = encoding_table[(triple >> 1 * 6) & 0x3F]; 38 encoded_data[j++] = encoding_table[(triple >> 0 * 6) & 0x3F]; 39 } 40 encoded_data[j] = 0; 41 for (i = 0; i < mod_table[input_length % 3]; i++) encoded_data[output_length - 1 - i] = '='; 42 PetscFunctionReturn(0); 43 } 44 45 PETSC_UNUSED static PetscErrorCode base64_decode(const unsigned char *data,unsigned char* decoded_data, size_t length) 46 { 47 static char decoding_table[257]; 48 static int decode_table_built = 0; 49 size_t i,j; 50 PetscErrorCode ierr; 51 size_t input_length,output_length; 52 53 PetscFunctionBegin; 54 if (!decode_table_built) { 55 for (i = 0; i < 64; i++) decoding_table[(unsigned char) encoding_table[i]] = i; 56 decode_table_built = 1; 57 } 58 59 ierr = PetscStrlen((const char*)data,&input_length);CHKERRQ(ierr); 60 if (input_length % 4 != 0) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONG,"Input length must be divisible by 4"); 61 62 output_length = input_length / 4 * 3; 63 if (data[input_length - 1] == '=') (output_length)--; 64 if (data[input_length - 2] == '=') (output_length)--; 65 if (output_length > length) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONG,"Output length too shore"); 66 67 for (i = 0, j = 0; i < input_length;) { 68 uint32_t sextet_a = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; 69 uint32_t sextet_b = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; 70 uint32_t sextet_c = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; 71 uint32_t sextet_d = data[i] == '=' ? 0 & i++ : decoding_table[(int)data[i++]]; 72 uint32_t triple = (sextet_a << 3 * 6) + (sextet_b << 2 * 6) + (sextet_c << 1 * 6) + (sextet_d << 0 * 6); 73 74 if (j < output_length) decoded_data[j++] = (triple >> 2 * 8) & 0xFF; 75 if (j < output_length) decoded_data[j++] = (triple >> 1 * 8) & 0xFF; 76 if (j < output_length) decoded_data[j++] = (triple >> 0 * 8) & 0xFF; 77 } 78 decoded_data[j] = 0; 79 PetscFunctionReturn(0); 80 } 81 82 #if defined(PETSC_HAVE_UNISTD_H) 83 #include <unistd.h> 84 #endif 85 86 #undef __FUNCT__ 87 #define __FUNCT__ "PetscGlobusAuthorize" 88 /*@C 89 PetscGlobusAuthorize - Get an access token allowing PETSc applications to make Globus file transfer requests 90 91 Not collective, only the first process in MPI_Comm does anything 92 93 Input Parameters: 94 + comm - the MPI communicator 95 - tokensize - size of the token array 96 97 Output Parameters: 98 . access_token - can be used with PetscGlobusUpLoad() for 30 days 99 100 Notes: This call requires stdout and stdin access from process 0 on the MPI communicator 101 102 You can run src/sys/webclient/examples/tutorials/globusobtainaccesstoken to get an access token 103 104 Level: intermediate 105 106 .seealso: PetscGoogleDriveRefresh(), PetscGoogleDriveUpload(), PetscURLShorten(), PetscGlobusUpload() 107 108 @*/ 109 PetscErrorCode PetscGlobusAuthorize(MPI_Comm comm,char access_token[],size_t tokensize) 110 { 111 SSL_CTX *ctx; 112 SSL *ssl; 113 int sock; 114 PetscErrorCode ierr; 115 char buff[8*1024],*ptr,head[1024]; 116 PetscMPIInt rank; 117 size_t len; 118 PetscBool found; 119 120 PetscFunctionBegin; 121 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 122 if (!rank) { 123 if (!isatty(fileno(PETSC_STDOUT))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Requires users input/output"); 124 ierr = PetscPrintf(comm,"Enter globus username:");CHKERRQ(ierr); 125 ptr = fgets(buff, 1024, stdin); 126 if (!ptr) SETERRQ1(PETSC_COMM_SELF, PETSC_ERR_FILE_READ, "Error reading from stdin: %d", errno); 127 ierr = PetscStrlen(buff,&len);CHKERRQ(ierr); 128 buff[len-1] = ':'; /* remove carriage return at end of line */ 129 130 ierr = PetscPrintf(comm,"Enter globus password:");CHKERRQ(ierr); 131 ptr = fgets(buff+len, 1024-len, stdin); 132 if (!ptr) SETERRQ1(PETSC_COMM_SELF, PETSC_ERR_FILE_READ, "Error reading from stdin: %d", errno); 133 ierr = PetscStrlen(buff,&len);CHKERRQ(ierr); 134 buff[len-1] = '\0'; /* remove carriage return at end of line */ 135 ierr = PetscStrcpy(head,"Authorization: Basic ");CHKERRQ(ierr); 136 ierr = base64_encode((const unsigned char*)buff,(unsigned char*)(head+21),sizeof(head)-21);CHKERRQ(ierr); 137 ierr = PetscStrcat(head,"\r\n");CHKERRQ(ierr); 138 139 ierr = PetscSSLInitializeContext(&ctx);CHKERRQ(ierr); 140 ierr = PetscHTTPSConnect("nexus.api.globusonline.org",443,ctx,&sock,&ssl);CHKERRQ(ierr); 141 ierr = PetscHTTPSRequest("GET","nexus.api.globusonline.org/goauth/token?grant_type=client_credentials",head,"application/x-www-form-urlencoded",NULL,ssl,buff,sizeof(buff));CHKERRQ(ierr); 142 ierr = PetscSSLDestroyContext(ctx);CHKERRQ(ierr); 143 close(sock); 144 145 ierr = PetscPullJSONValue(buff,"access_token",access_token,tokensize,&found);CHKERRQ(ierr); 146 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Globus did not return access token"); 147 148 ierr = PetscPrintf(comm,"Here is your Globus access token, save it in a save place, in the future you can run PETSc\n");CHKERRQ(ierr); 149 ierr = PetscPrintf(comm,"programs with the option -globus_access_token %s\n",access_token);CHKERRQ(ierr); 150 ierr = PetscPrintf(comm,"to access Globus automatically\n");CHKERRQ(ierr); 151 } 152 PetscFunctionReturn(0); 153 } 154 155 156 #undef __FUNCT__ 157 #define __FUNCT__ "PetscGlobusGetTransfers" 158 /*@C 159 PetscGlobusGetTransfers - Get a record of current transfers requested from Globus 160 161 Not collective, only the first process in MPI_Comm does anything 162 163 Input Parameters: 164 + comm - the MPI communicator 165 . access_token - Globus access token, if NULL will check in options database for -globus_access_token XXX otherwise 166 will call PetscGlobusAuthorize(). 167 - buffsize - size of the buffer 168 169 Output Parameters: 170 . buff - location to put Globus information 171 172 Level: intermediate 173 174 .seealso: PetscGoogleDriveRefresh(), PetscGoogleDriveUpload(), PetscURLShorten(), PetscGlobusUpload(), PetscGlobusAuthorize() 175 176 @*/ 177 PetscErrorCode PetscGlobusGetTransfers(MPI_Comm comm,const char access_token[],char buff[],size_t buffsize) 178 { 179 SSL_CTX *ctx; 180 SSL *ssl; 181 int sock; 182 PetscErrorCode ierr; 183 char head[4096]; 184 PetscMPIInt rank; 185 186 PetscFunctionBegin; 187 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 188 if (!rank) { 189 ierr = PetscStrcpy(head,"Authorization : Globus-Goauthtoken ");CHKERRQ(ierr); 190 if (access_token) { 191 ierr = PetscStrcat(head,access_token);CHKERRQ(ierr); 192 } else { 193 PetscBool set; 194 char accesstoken[4096]; 195 ierr = PetscOptionsGetString(NULL,"-globus_access_token",accesstoken,sizeof(accesstoken),&set);CHKERRQ(ierr); 196 if (!set) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Pass in Globus accesstoken or use -globus_access_token XXX"); 197 ierr = PetscStrcat(head,accesstoken);CHKERRQ(ierr); 198 } 199 ierr = PetscStrcat(head,"\r\n");CHKERRQ(ierr); 200 201 ierr = PetscSSLInitializeContext(&ctx);CHKERRQ(ierr); 202 ierr = PetscHTTPSConnect("transfer.api.globusonline.org",443,ctx,&sock,&ssl);CHKERRQ(ierr); 203 ierr = PetscHTTPSRequest("GET","transfer.api.globusonline.org/v0.10/tasksummary",head,"application/json",NULL,ssl,buff,buffsize);CHKERRQ(ierr); 204 ierr = PetscSSLDestroyContext(ctx);CHKERRQ(ierr); 205 close(sock); 206 } 207 PetscFunctionReturn(0); 208 } 209 210 #undef __FUNCT__ 211 #define __FUNCT__ "PetscGlobusUpload" 212 /*@C 213 PetscGlobusUpload - Loads a file to Globus 214 215 Not collective, only the first process in the MPI_Comm uploads the file 216 217 Input Parameters: 218 + comm - MPI communicator 219 . access_token - obtained with PetscGlobusAuthorize(), pass NULL to use -globus_access_token XXX from the PETSc database 220 - filename - file to upload 221 222 Options Database: 223 . -globus_access_token XXX 224 225 Level: intermediate 226 227 .seealso: PetscURLShorten(), PetscGoogleDriveAuthorize(), PetscGoogleDriveRefresh(), PetscGlobusAuthorize() 228 229 @*/ 230 PetscErrorCode PetscGlobusUpload(MPI_Comm comm,const char access_token[],const char filename[]) 231 { 232 SSL_CTX *ctx; 233 SSL *ssl; 234 int sock; 235 PetscErrorCode ierr; 236 char head[4096],buff[8*1024],body[4096],submission_id[4096]; 237 PetscMPIInt rank; 238 PetscBool flg,found; 239 240 PetscFunctionBegin; 241 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 242 if (!rank) { 243 ierr = PetscTestFile(filename,'r',&flg);CHKERRQ(ierr); 244 if (!flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to find file: %s",filename); 245 246 ierr = PetscStrcpy(head,"Authorization : Globus-Goauthtoken ");CHKERRQ(ierr); 247 if (access_token) { 248 ierr = PetscStrcat(head,access_token);CHKERRQ(ierr); 249 } else { 250 PetscBool set; 251 char accesstoken[4096]; 252 ierr = PetscOptionsGetString(NULL,"-globus_access_token",accesstoken,sizeof(accesstoken),&set);CHKERRQ(ierr); 253 if (!set) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Pass in Globus accesstoken or use -globus_access_token XXX"); 254 ierr = PetscStrcat(head,accesstoken);CHKERRQ(ierr); 255 } 256 ierr = PetscStrcat(head,"\r\n");CHKERRQ(ierr); 257 258 /* Get Globus submission id */ 259 ierr = PetscSSLInitializeContext(&ctx);CHKERRQ(ierr); 260 ierr = PetscHTTPSConnect("transfer.api.globusonline.org",443,ctx,&sock,&ssl);CHKERRQ(ierr); 261 ierr = PetscHTTPSRequest("GET","transfer.api.globusonline.org/v0.10/submission_id",head,"application/json",NULL,ssl,buff,sizeof(buff));CHKERRQ(ierr); 262 ierr = PetscSSLDestroyContext(ctx);CHKERRQ(ierr); 263 close(sock); 264 ierr = PetscPullJSONValue(buff,"value",submission_id,sizeof(submission_id),&found);CHKERRQ(ierr); 265 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Globus did not return submission id"); 266 267 /* build JSON body of transfer request */ 268 ierr = PetscStrcpy(body,"{");CHKERRQ(ierr); 269 ierr = PetscPushJSONValue(body,"submission_id",submission_id,sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 270 ierr = PetscPushJSONValue(body,"DATA_TYPE","transfer",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 271 ierr = PetscPushJSONValue(body,"sync_level","null",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 272 ierr = PetscPushJSONValue(body,"source_endpoint","barryfsmith#MacBookPro",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 273 ierr = PetscPushJSONValue(body,"label","PETSc transfer label",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 274 ierr = PetscPushJSONValue(body,"length","1",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 275 ierr = PetscPushJSONValue(body,"destination_endpoint","mcs#home",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 276 277 ierr = PetscStrcat(body,"\"DATA\": [ {");CHKERRQ(ierr); 278 ierr = PetscPushJSONValue(body,"source_path","/~/FEM_GPU.pdf",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 279 ierr = PetscPushJSONValue(body,"destination_path","/~/FEM_GPU.pdf",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 280 ierr = PetscPushJSONValue(body,"verify_size","null",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 281 ierr = PetscPushJSONValue(body,"recursive","false",sizeof(body));CHKERRQ(ierr); ierr = PetscStrcat(body,",");CHKERRQ(ierr); 282 ierr = PetscPushJSONValue(body,"DATA_TYPE","transfer_item",sizeof(body));CHKERRQ(ierr); 283 ierr = PetscStrcat(body,"} ] }");CHKERRQ(ierr); 284 285 ierr = PetscSSLInitializeContext(&ctx);CHKERRQ(ierr); 286 ierr = PetscHTTPSConnect("transfer.api.globusonline.org",443,ctx,&sock,&ssl);CHKERRQ(ierr); 287 ierr = PetscHTTPSRequest("POST","transfer.api.globusonline.org/v0.10/transfer",head,"application/json",body,ssl,buff,sizeof(buff));CHKERRQ(ierr); 288 ierr = PetscSSLDestroyContext(ctx);CHKERRQ(ierr); 289 close(sock); 290 ierr = PetscPullJSONValue(buff,"code",submission_id,sizeof(submission_id),&found);CHKERRQ(ierr); 291 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Globus did not return code on transfer"); 292 ierr = PetscStrcmp(submission_id,"Accepted",&found);CHKERRQ(ierr); 293 if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Globus did not accept transfer"); 294 } 295 PetscFunctionReturn(0); 296 } 297 298 299