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example.c
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example.c
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/*!
* \file example.c
* \brief Usage example of dropbox C library.
* \author Adrien Python
* \version 1.0
* \date 06.08.2014
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dropbox.h>
#include <memStream.h>
void displayAccountInfo(drbAccountInfo *info);
void displayMetadata(drbMetadata *meta, char *title);
void displayMetadataList(drbMetadataList* list, char* title);
int main (int argc, char **argv) {
int err;
void* output;
// Application key and secret. To get them, create an app here:
// https://www.dropbox.com/developers/apps
char *c_key = "your consumer key"; //< consumer key
char *c_secret = "your consumer secret"; //< consumer secret
// User key and secret. Leave them NULL or set them with your AccessToken.
char *t_key = NULL; //< access token key
char *t_secret = NULL; //< access token secret
// Global initialisation
drbInit();
// Create a Dropbox client
drbClient* cli = drbCreateClient(c_key, c_secret, t_key, t_secret);
// Request a AccessToken if undefined (NULL)
if(!t_key || !t_secret) {
drbOAuthToken* reqTok = drbObtainRequestToken(cli);
if (reqTok) {
char* url = drbBuildAuthorizeUrl(reqTok);
printf("Please visit %s\nThen press Enter...\n", url);
free(url);
fgetc(stdin);
drbOAuthToken* accTok = drbObtainAccessToken(cli);
if (accTok) {
// This key and secret can replace the NULL value in t_key and
// t_secret for the next time.
printf("key: %s\nsecret: %s\n", accTok->key, accTok->secret);
} else{
fprintf(stderr, "Failed to obtain an AccessToken...\n");
return EXIT_FAILURE;
}
} else {
fprintf(stderr, "Failed to obtain a RequestToken...\n");
return EXIT_FAILURE;
}
}
// Set default arguments to not repeat them on each API call
drbSetDefault(cli, DRBOPT_ROOT, DRBVAL_ROOT_AUTO, DRBOPT_END);
// Read account Informations
output = NULL;
err = drbGetAccountInfo(cli, &output, DRBOPT_END);
if (err != DRBERR_OK) {
printf("Account info error (%d): %s\n", err, (char*)output);
free(output);
} else {
drbAccountInfo* info = (drbAccountInfo*)output;
displayAccountInfo(info);
drbDestroyAccountInfo(info);
}
// List root directory files
output = NULL;
err = drbGetMetadata(cli, &output,
DRBOPT_PATH, "/",
DRBOPT_LIST, true,
// DRBOPT_FILE_LIMIT, 100,
DRBOPT_END);
if (err != DRBERR_OK) {
printf("Metadata error (%d): %s\n", err, (char*)output);
free(output);
} else {
drbMetadata* meta = (drbMetadata*)output;
displayMetadata(meta, "Metadata");
drbDestroyMetadata(meta, true);
}
// Try to download a file named hello.txt
FILE *file = fopen("/tmp/hello.txt", "w"); // Write it in this file
output = NULL;
err = drbGetFile(cli, &output,
DRBOPT_PATH, "/hello.txt",
DRBOPT_IO_DATA, file,
DRBOPT_IO_FUNC, fwrite,
DRBOPT_END);
fclose(file);
if (err != DRBERR_OK) {
printf("Get File error (%d): %s\n", err, (char*)output);
free(output);
} else {
displayMetadata(output, "Get File Result");
drbDestroyMetadata(output, true);
}
// Upload this file if it doesnt exists
if (err == 404) {
memStream stream; memStreamInit(&stream);
stream.data = "hello world!";
stream.size = strlen(stream.data);
err = drbPutFile(cli, NULL,
DRBOPT_PATH, "/hello.txt",
DRBOPT_IO_DATA, &stream,
DRBOPT_IO_FUNC, memStreamRead,
DRBOPT_END);
printf("File upload: %s\n", err ? "Failed" : "Successful");
}
// Free all client allocated memory
drbDestroyClient(cli);
// Global Cleanup
drbCleanup();
return EXIT_SUCCESS;
}
char* strFromBool(bool b) { return b ? "true" : "false"; }
/*!
* \brief Display a drbAccountInfo item in stdout.
* \param info account informations to display.
* \return void
*/
void displayAccountInfo(drbAccountInfo* info) {
if(info) {
printf("---------[ Account info ]---------\n");
if(info->referralLink) printf("referralLink: %s\n", info->referralLink);
if(info->displayName) printf("displayName: %s\n", info->displayName);
if(info->uid) printf("uid: %d\n", *info->uid);
if(info->country) printf("country: %s\n", info->country);
if(info->email) printf("email: %s\n", info->email);
if(info->quotaInfo.datastores) printf("datastores: %u\n", *info->quotaInfo.datastores);
if(info->quotaInfo.shared) printf("shared: %u\n", *info->quotaInfo.shared);
if(info->quotaInfo.quota) printf("quota: %u\n", *info->quotaInfo.quota);
if(info->quotaInfo.normal) printf("normal: %u\n", *info->quotaInfo.normal);
}
}
/*!
* \brief Display a drbMetadata item in stdout.
* \param meta metadata to display.
* \param title display the title before the metadata.
* \return void
*/
void displayMetadata(drbMetadata* meta, char* title) {
if (meta) {
if(title) printf("---------[ %s ]---------\n", title);
if(meta->hash) printf("hash: %s\n", meta->hash);
if(meta->rev) printf("rev: %s\n", meta->rev);
if(meta->thumbExists) printf("thumbExists: %s\n", strFromBool(*meta->thumbExists));
if(meta->bytes) printf("bytes: %d\n", *meta->bytes);
if(meta->modified) printf("modified: %s\n", meta->modified);
if(meta->path) printf("path: %s\n", meta->path);
if(meta->isDir) printf("isDir: %s\n", strFromBool(*meta->isDir));
if(meta->icon) printf("icon: %s\n", meta->icon);
if(meta->root) printf("root: %s\n", meta->root);
if(meta->size) printf("size: %s\n", meta->size);
if(meta->clientMtime) printf("clientMtime: %s\n", meta->clientMtime);
if(meta->isDeleted) printf("isDeleted: %s\n", strFromBool(*meta->isDeleted));
if(meta->mimeType) printf("mimeType: %s\n", meta->mimeType);
if(meta->revision) printf("revision: %d\n", *meta->revision);
if(meta->contents) displayMetadataList(meta->contents, "Contents");
}
}
/*!
* \brief Display a drbMetadataList item in stdout.
* \param list list to display.
* \param title display the title before the list.
* \return void
*/
void displayMetadataList(drbMetadataList* list, char* title) {
if (list){
printf("---------[ %s ]---------\n", title);
for (int i = 0; i < list->size; i++) {
displayMetadata(list->array[i], list->array[i]->path);
}
}
}