2: #include <petscwebclient.h>
3: #pragma clang diagnostic ignored "-Wdeprecated-declarations"
4: #pragma gcc diagnostic ignored "-Wdeprecated-declarations"
6: /*
7: These variables identify the code as a PETSc application to Box.
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
12: */
13: #define PETSC_BOX_CLIENT_ID "sse42nygt4zqgrdwi0luv79q1u1f0xza" 14: #define PETSC_BOX_CLIENT_ST "A0Dy4KgOYLB2JIYZqpbze4EzjeIiX5k4" 16: #if defined(PETSC_HAVE_SAWS)
17: #include <mongoose.h>
19: static volatile char *result = NULL;
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: }
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;
43: options[0] = "listening_ports";
44: options[1] = "8081s";
46: PetscStrcpy(keyfile,"sslclient.pem");
47: PetscTestFile(keyfile,'r',&exists);
48: if (!exists) {
49: PetscGetHomeDirectory(keyfile,PETSC_MAX_PATH_LEN);
50: PetscStrcat(keyfile,"/");
51: PetscStrcat(keyfile,"sslclient.pem");
52: PetscTestFile(keyfile,'r',&exists);
53: if (!exists) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to locate sslclient.pem file in current directory or home directory");
54: }
56: options[2] = "ssl_certificate";
57: options[3] = keyfile;
58: options[4] = NULL;
60: /* Prepare callbacks structure. We have only one callback, the rest are NULL. */
61: PetscMemzero(&callbacks, sizeof(callbacks));
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: return(0);
67: }
69: #if defined(PETSC_HAVE_UNISTD_H)
70: #include <unistd.h>
71: #endif
75: /*@C
76: PetscBoxAuthorize - Get authorization and refresh token for accessing Box drive from PETSc
78: Not collective, only the first process in MPI_Comm does anything
80: Input Parameters:
81: + comm - the MPI communicator
82: - tokensize - size of the token arrays
84: Output Parameters:
85: + access_token - can be used with PetscBoxUpload() for this one session
86: - refresh_token - can be used for ever to obtain new access_tokens with PetscBoxRefresh(), guard this like a password
87: it gives access to your Box Drive
89: Notes: This call requires stdout and stdin access from process 0 on the MPI communicator
91: You can run src/sys/webclient/examples/tutorials/boxobtainrefreshtoken to get a refresh token and then in the future pass it to
92: PETSc programs with -box_refresh_token XXX
94: This requires PETSc be installed using --with-saws or --download-saws
96: Requires the user have created a self-signed ssl certificate with
98: $ saws/CA.pl -newcert (using the passphrase of password)
99: $ cat newkey.pem newcert.pem > sslclient.pem
101: and put the resulting file in either the current directory (with the application) or in the home directory. This seems kind of
102: silly but it was all I could figure out.
104: Level: intermediate
106: .seealso: PetscBoxRefresh(), PetscBoxUpload(), PetscURLShorten()
108: @*/
109: PetscErrorCodePetscBoxAuthorize(MPI_Comm comm,char access_token[],char refresh_token[],size_t tokensize)110: {
111: SSL_CTX *ctx;
112: SSL *ssl;
113: int sock;
115: char buff[8*1024],body[1024];
116: PetscMPIInt rank;
117: PetscBool flg,found;
120: MPI_Comm_rank(comm,&rank);
121: if (!rank) {
122: if (!isatty(fileno(PETSC_STDOUT))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Requires users input/output");
123: PetscPrintf(comm,"Cut and paste the following into your browser:\n\n"
124: "https://www.box.com/api/oauth2/authorize?"
125: "response_type=code&"
126: "client_id="
127: PETSC_BOX_CLIENT_ID
128: "&state=PETScState"
129: "\n\n");
130: PetscBoxStartWebServer_Private();
131: PetscStrbeginswith((const char*)result,"state=PETScState&code=",&flg);
132: if (!flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_LIB,"Did not get expected string from Box got %s",result);
133: PetscStrncpy(buff,(const char*)result+22,sizeof(buff));
135: PetscSSLInitializeContext(&ctx);
136: PetscHTTPSConnect("www.box.com",443,ctx,&sock,&ssl);
137: PetscStrcpy(body,"code=");
138: PetscStrcat(body,buff);
139: PetscStrcat(body,"&client_id=");
140: PetscStrcat(body,PETSC_BOX_CLIENT_ID);
141: PetscStrcat(body,"&client_secret=");
142: PetscStrcat(body,PETSC_BOX_CLIENT_ST);
143: PetscStrcat(body,"&grant_type=authorization_code");
145: PetscHTTPSRequest("POST","www.box.com/api/oauth2/token",NULL,"application/x-www-form-urlencoded",body,ssl,buff,sizeof(buff));
146: PetscSSLDestroyContext(ctx);
147: close(sock);
149: PetscPullJSONValue(buff,"access_token",access_token,tokensize,&found);
150: if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return access token");
151: PetscPullJSONValue(buff,"refresh_token",refresh_token,tokensize,&found);
152: if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return refresh token");
154: PetscPrintf(comm,"Here is your Box refresh token, save it in a save place, in the future you can run PETSc\n");
155: PetscPrintf(comm,"programs with the option -box_refresh_token %s\n",refresh_token);
156: PetscPrintf(comm,"to access Box Drive automatically\n");
157: }
158: return(0);
159: }
160: #endif
164: /*@C
165: PetscBoxRefresh - Get a new authorization token for accessing Box drive from PETSc from a refresh token
167: Not collective, only the first process in the MPI_Comm does anything
169: Input Parameters:
170: + comm - MPI communicator
171: . refresh token - obtained with PetscBoxAuthorize(), if NULL PETSc will first look for one in the options data
172: if not found it will call PetscBoxAuthorize()
173: - tokensize - size of the output string access_token
175: Output Parameter:
176: + access_token - token that can be passed to PetscBoxUpload()
177: - 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
179: Level: intermediate
181: .seealso: PetscURLShorten(), PetscBoxAuthorize(), PetscBoxUpload()
183: @*/
184: PetscErrorCodePetscBoxRefresh(MPI_Comm comm,const char refresh_token[],char access_token[],char new_refresh_token[],size_t tokensize)185: {
186: SSL_CTX *ctx;
187: SSL *ssl;
188: int sock;
190: char buff[8*1024],body[1024];
191: PetscMPIInt rank;
192: char *refreshtoken = (char*)refresh_token;
193: PetscBool found;
196: MPI_Comm_rank(comm,&rank);
197: if (!rank) {
198: if (!refresh_token) {
199: PetscBool set;
200: PetscMalloc1(512,&refreshtoken);
201: PetscOptionsGetString(NULL,NULL,"-box_refresh_token",refreshtoken,512,&set);
202: #if defined(PETSC_HAVE_SAWS)
203: if (!set) {
204: PetscBoxAuthorize(comm,access_token,new_refresh_token,512*sizeof(char));
205: PetscFree(refreshtoken);
206: return(0);
207: }
208: #else
209: if (!set) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Must provide refresh token with -box_refresh_token XXX");
210: #endif
211: }
212: PetscSSLInitializeContext(&ctx);
213: PetscHTTPSConnect("www.box.com",443,ctx,&sock,&ssl);
214: PetscStrcpy(body,"client_id=");
215: PetscStrcat(body,PETSC_BOX_CLIENT_ID);
216: PetscStrcat(body,"&client_secret=");
217: PetscStrcat(body,PETSC_BOX_CLIENT_ST);
218: PetscStrcat(body,"&refresh_token=");
219: PetscStrcat(body,refreshtoken);
220: if (!refresh_token) {PetscFree(refreshtoken);}
221: PetscStrcat(body,"&grant_type=refresh_token");
223: PetscHTTPSRequest("POST","www.box.com/api/oauth2/token",NULL,"application/x-www-form-urlencoded",body,ssl,buff,sizeof(buff));
224: PetscSSLDestroyContext(ctx);
225: close(sock);
227: PetscPullJSONValue(buff,"access_token",access_token,tokensize,&found);
228: if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return access token");
229: PetscPullJSONValue(buff,"refresh_token",new_refresh_token,tokensize,&found);
230: if (!found) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Box did not return refresh token");
232: PetscPrintf(comm,"Here is your new Box refresh token, save it in a save place, in the future you can run PETSc\n");
233: PetscPrintf(comm,"programs with the option -box_refresh_token %s\n",new_refresh_token);
234: PetscPrintf(comm,"to access Box Drive automatically\n");
235: }
236: return(0);
237: }
239: #include <sys/stat.h>
243: /*@C
244: PetscBoxUpload - Loads a file to the Box Drive
246: This routine has not yet been written; it is just copied from Google Drive
248: Not collective, only the first process in the MPI_Comm uploads the file
250: Input Parameters:
251: + comm - MPI communicator
252: . access_token - obtained with PetscBoxRefresh(), pass NULL to have PETSc generate one
253: - filename - file to upload; if you upload multiple times it will have different names each time on Box Drive
255: Options Database:
256: . -box_refresh_token XXX
258: Usage Patterns:
259: With PETSc option -box_refresh_token XXX given
260: PetscBoxUpload(comm,NULL,filename); will upload file with no user interaction
262: Without PETSc option -box_refresh_token XXX given
263: PetscBoxUpload(comm,NULL,filename); for first use will prompt user to authorize access to Box Drive with their processor
265: With PETSc option -box_refresh_token XXX given
266: PetscBoxRefresh(comm,NULL,access_token,sizeof(access_token));
267: PetscBoxUpload(comm,access_token,filename);
269: With refresh token entered in some way by the user
270: PetscBoxRefresh(comm,refresh_token,access_token,sizeof(access_token));
271: PetscBoxUpload(comm,access_token,filename);
273: PetscBoxAuthorize(comm,access_token,refresh_token,sizeof(access_token));
274: PetscBoxUpload(comm,access_token,filename);
276: Level: intermediate
278: .seealso: PetscURLShorten(), PetscBoxAuthorize(), PetscBoxRefresh()
280: @*/
281: PetscErrorCodePetscBoxUpload(MPI_Comm comm,const char access_token[],const char filename[])282: {
283: SSL_CTX *ctx;
284: SSL *ssl;
285: int sock;
287: char head[1024],buff[8*1024],*body,*title;
288: PetscMPIInt rank;
289: struct stat sb;
290: size_t len,blen,rd;
291: FILE *fd;
294: MPI_Comm_rank(comm,&rank);
295: if (!rank) {
296: PetscStrcpy(head,"Authorization: Bearer ");
297: PetscStrcat(head,access_token);
298: PetscStrcat(head,"\r\n");
299: PetscStrcat(head,"uploadType: multipart\r\n");
301: stat(filename,&sb);
302: if (ierr) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to stat file: %s",filename);
303: len = 1024 + sb.st_size;
304: PetscMalloc1(len,&body);
305: PetscStrcpy(body,"--foo_bar_baz\r\n"
306: "Content-Type: application/json\r\n\r\n"
307: "{");
308: PetscPushJSONValue(body,"title",filename,len);
309: PetscStrcat(body,",");
310: PetscPushJSONValue(body,"mimeType","text.html",len);
311: PetscStrcat(body,",");
312: PetscPushJSONValue(body,"description","a file",len);
313: PetscStrcat(body, "}\r\n\r\n"
314: "--foo_bar_baz\r\n"
315: "Content-Type: text/html\r\n\r\n");
316: PetscStrlen(body,&blen);
317: fd = fopen (filename, "r");
318: if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to open file: %s",filename);
319: rd = fread (body+blen, sizeof (unsigned char), sb.st_size, fd);
320: 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);
321: fclose(fd);
322: body[blen + rd] = 0;
323: PetscStrcat(body,"\r\n\r\n"
324: "--foo_bar_baz\r\n");
325: PetscSSLInitializeContext(&ctx);
326: PetscHTTPSConnect("www.boxapis.com",443,ctx,&sock,&ssl);
327: PetscHTTPSRequest("POST","www.boxapis.com/upload/drive/v2/files/",head,"multipart/related; boundary=\"foo_bar_baz\"",body,ssl,buff,sizeof(buff));
328: PetscFree(body);
329: PetscSSLDestroyContext(ctx);
330: close(sock);
331: PetscStrstr(buff,"\"title\"",&title);
332: if (!title) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_LIB,"Upload of file %s failed",filename);
333: }
334: return(0);
335: }