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baidu_pcs.c
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/*
* Copyright (c) 2013 emptyhua@gmail.com
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <pwd.h>
#include <time.h>
#include <dirent.h>
#include <libgen.h>
#include <stdarg.h>
#include "pcs.h"
#define COLOR_LOG_OK 1
#define COLOR_LOG_ERROR 2
#define COLOR_LOG_IGNORE 3
/* pcs api key */
static const char *option_api_key = "";
/* pcs api secret */
static const char *option_api_secret = "";
static BaiduPCS *api = NULL;
void color_log(int type, const char *format, ...) {
//{{{
va_list args;
char buf[1024] = {'\0'};
int support_color = 0;
FILE *fp = NULL;
if (type == COLOR_LOG_ERROR) {
fp = stderr;
support_color = isatty(fileno(fp));
if (support_color) {
strcat(buf, "\x1b[37;41m");
}
strcat(buf, "ERROR");
if (support_color) {
strcat(buf, "\x1b[0m");
}
strcat(buf, ": ");
} else if (type == COLOR_LOG_OK) {
fp = stdout;
support_color = isatty(fileno(fp));
if (support_color) {
strcat(buf, "\x1b[32m");
}
strcat(buf, "OK");
if (support_color) {
strcat(buf, "\x1b[0m");
}
strcat(buf, ": ");
} else if (type == COLOR_LOG_IGNORE) {
fp = stdout;
support_color = isatty(fileno(fp));
if (support_color) {
strcat(buf, "\x1b[33m");
}
strcat(buf, "IGNORE");
if (support_color) {
strcat(buf, "\x1b[0m");
}
strcat(buf, ": ");
}
snprintf(buf + strlen(buf), 1024 - strlen(buf), "%s", format);
va_start(args, format);
vfprintf(fp, buf, args);
va_end(args);
}
//}}}
void readable_timestamp(time_t t, char *buf) {
//{{{
struct tm *timeinfo;
timeinfo = localtime(&t);
strftime(buf, 80, "%H:%M/%Y-%m-%d", timeinfo);
}
//}}}
void readable_size(double size, char *buf) {
//{{{
int i = 0;
static const char* units[] = {"B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"};
while (size > 1024) {
size /= 1024;
i++;
}
sprintf(buf, "%.*f %s", i, size, units[i]);
}
//}}}
void print_file(PCSFile *file, int show_detail) {
//{{{
char buf2[100];
char buf3[100];
if (show_detail) {
readable_timestamp(file->mtime, buf2);
if (file->is_dir) {
printf("目录 - %s %s\n", buf2, file->path);
} else {
readable_size(file->size, buf3);
printf("文件 %11s %s %s\n", buf3, buf2, file->path);
}
} else {
printf("%s\n", file->path);
}
}
//}}}
/* 打印帮助 */
void usage() {
//{{{
fprintf(stderr,
"使用方法: baidu_pcs 命令 [选项]\n"
"\n"
"命令列表:\n"
"\n"
"info 查看云盘信息\n"
"\n"
"ls 列出远程文件或目录\n"
" 选项:\n"
" -l 显示详细信息\n"
" -r 递归子目录\n"
"\n"
"upload [选项] [本地路径] [远程路径] 上传文件或目录\n"
" 选项:\n"
" 覆盖策略\n"
" 默认:略过已存在同名远程文件\n"
" -o 覆盖远程同名文件\n"
" -n 如果存在同名文件，创建以日期结尾的新文件\n"
"\n"
" -p 指定上传分片大小,例如 -p100M\n"
" -l 跟随软链\n"
"\n"
"download [选项] [远程路径] [本地路径] 下载文件或目录\n"
" 选项:\n"
" -o 覆盖本地同名文件\n"
" -n 如果存在同名文件，创建以日期结尾的新文件\n"
"cp [远程路径] [目的远程路径] 复制远程文件或目录\n"
"mv [远程路径] [目的远程路径] 移动远程文件或目录\n"
"rm [远程路径] 删除远程文件或目录\n"
);
}
//}}}
/* 初始化API */
int init_api() {
//{{{
if (api != NULL) return 1;
int ret = 1;
struct passwd *pw;
const char *homedir;
const char *token;
const char *error;
char config[1024];
char buf[1024];
int i = 0;
/* 需要释放 */
FILE *fp;
api = BaiduPCS_New();
sprintf(api->key, "%s", option_api_key);
sprintf(api->secret, "%s", option_api_secret);
/* 读取已存的token */
pw = getpwuid(getuid());
homedir = pw->pw_dir;
snprintf(config, 1023, "%s/.baidu_pcs_token", homedir);
fp = fopen(config, "rb");
if (fp != NULL) {
i = fread(buf, 1, 1023, fp);
buf[i] = '\0';
for (; i >= 0; i--) {
if (buf[i] == '\r' || buf[i] == '\n') {
buf[i] = '\0';
}
}
snprintf(api->token, 1024, "%s", buf);
#ifdef DEBUG
fprintf(stderr, "已存token: %s\n", api->token);
#endif
fclose(fp);
fp = NULL;
/* 确保只有自己读写 */
chmod(config, 0600);
} else {
#ifdef DEBUG
fprintf(stderr, "没有已存token %s\n", config);
#endif
token = BaiduPCS_Auth(api);
error = BaiduPCS_GetError(api);
if (error != NULL) {
color_log(COLOR_LOG_ERROR, "认证失败 %s\n", error);
ret = 0;
} else {
fp = fopen(config, "wb");
if (fp != NULL) {
fwrite(token, 1, strlen(token), fp);
fclose(fp);
fp = NULL;
/* 确保只有自己读写 */
chmod(config, 0600);
} else {
color_log(COLOR_LOG_ERROR, "%s 无法写入\n", config);
ret = 0;
}
}
}
return ret;
}
//}}}
/* 显示云盘信息 */
int command_info(int argc, char **argv) {
//{{{
if (!init_api()) return 1;
int ret = 0;
const char *error = NULL;
char buf[1024];
BaiduPCSInfo info;
BaiduPCS_Info(api, &info);
error = BaiduPCS_GetError(api);
if (error != NULL) {
color_log(COLOR_LOG_ERROR, "获取信息失败%s\n", error);
ret = 1;
goto free;
}
readable_size(info.quota, buf);
printf("总容量:%s\n", buf);
readable_size(info.used, buf);
printf("已使用:%s\n", buf);
free:
return ret;
}
//}}}
int do_normal_ls(const char *remote_path, int option_show_detail) {
//{{{
int ret = 0;
PCSFile *file = NULL;
PCSFileList *list = NULL;
PCSFile *tmp = NULL;
const char *error = NULL;
file = BaiduPCS_NewRemoteFile(api, remote_path);
error = BaiduPCS_GetError(api);
if (error != NULL || file == NULL) {
color_log(COLOR_LOG_ERROR, "%s 获取文件信息失败:%s\n", remote_path, error);
ret = 1;
goto free;
}
if (!file->is_dir) {
print_file(file, option_show_detail);
} else {
list = BaiduPCS_ListRemoteDir(api, file->path);
error = BaiduPCS_GetError(api);
if (error != NULL || list == NULL) {
color_log(COLOR_LOG_ERROR, "%s 获取文件信息失败:%s\n", file->path, error);
ret = 1;
goto free;
}
tmp = list->first;
while (tmp) {
print_file(tmp, option_show_detail);
tmp = tmp->next;
}
PCSFileList_Free(list);
list = NULL;
}
free:
if (file != NULL) {
PCSFile_Free(file);
}
if (list != NULL) {
PCSFileList_Free(list);
}
return ret;
}
//}}}
/* 递归列表 */
int do_recursion_ls(const char *remote_path, int option_show_detail) {
//{{{
int ret = 0;
PCSFileList *stack = NULL;
PCSFileList *list = NULL;
PCSFile *c_file = NULL;
PCSFile *t_file = NULL;
const char *error = NULL;
/* 遍历栈 */
stack = PCSFileList_New();
c_file = BaiduPCS_NewRemoteFile(api, remote_path);
error = BaiduPCS_GetError(api);
if (error != NULL || c_file == NULL) {
color_log(COLOR_LOG_ERROR, "%s 获取文件信息失败:%s\n", remote_path, error);
ret = 1;
goto free;
}
while(c_file != NULL) {
/* 如果是普通文件 */
if (!c_file->is_dir) {
print_file(c_file, option_show_detail);
PCSFile_Free(c_file);
c_file = PCSFileList_Shift(stack);
/* 如果是目录 */
} else {
print_file(c_file, option_show_detail);
list = BaiduPCS_ListRemoteDir(api, c_file->path);
error = BaiduPCS_GetError(api);
if (error != NULL || list == NULL) {
color_log(COLOR_LOG_ERROR, "%s 获取文件信息失败:%s\n", c_file->path, error);
}
/* 列出目录 */
if (list != NULL) {
t_file = PCSFileList_Shift(list);
while(t_file != NULL) {
if (t_file->is_dir) {
PCSFileList_Prepend(stack, t_file);
} else {
print_file(t_file, option_show_detail);
PCSFile_Free(t_file);
}
t_file = PCSFileList_Shift(list);
}
PCSFileList_Free(list);
list = NULL;
}
PCSFile_Free(c_file);
c_file = PCSFileList_Shift(stack);
}
}
free:
if (stack != NULL) {
PCSFileList_Free(stack);
}
if (c_file != NULL) {
PCSFile_Free(c_file);
}
return ret;
}
//}}}
/* 列出远程文件 */
int command_ls(int argc, char **argv) {
//{{{
int option_show_detail = 0; //是否显示详情
int option_recursion = 0; //是否递归
int ret = 0;
char c;
char *remote_path;
opterr = 0;
while ((c = getopt (argc, argv, "lr")) != -1) {
switch (c) {
case 'l':
option_show_detail = 1;
break;
case 'r':
option_recursion = 1;
break;
}
}
if (optind < argc - 1) {
color_log(COLOR_LOG_ERROR, "请指定路径\n");
usage();
ret = 1;
goto free;
}
remote_path = argv[argc - 1];
#ifdef DEBUG
fprintf(stderr, "ls %s\n", remote_path);
#endif
if (!init_api()) {
ret = 1;
goto free;
}
if (option_recursion) {
ret = do_recursion_ls(remote_path, option_show_detail);
} else {
ret = do_normal_ls(remote_path, option_show_detail);
}
free:
return ret;
}
//}}}
int do_upload(const char *local_path,
const char *remote_path,
int overwrite, /* 是否覆盖 */
int create_new, /* 是否新建 */
int follow_link, /* 跟随软链 */
int split_size /* 分片大小 */
) {
//{{{
int ret = 0;
int is_first = 1;
PCSFile *new_file = NULL;
PCSFile *t_file = NULL;
struct dirent *item = NULL;
const char *error = NULL;
const char *ondup = NULL;
char t_path[PATH_MAX + 1]; /* 临时路径 */
char t_remote_path[PATH_MAX + 1]; /* 临时路径 */
/* 需要释放 */
PCSFile *c_file = NULL;
PCSFileList *stack = NULL;
PCSFile *remote_file = NULL;
PCSFileList *r_list = NULL;
DIR *dir = NULL;
/* 遍历栈 */
stack = PCSFileList_New();
c_file = BaiduPCS_NewLocalFile(api, local_path);
error = BaiduPCS_GetError(api);
if (error != NULL || c_file == NULL) {
color_log(COLOR_LOG_ERROR, "文件对象创建失败 %s\n", error);
ret = 1;
goto free;
}
/* 当前要上传的远程路径 */
c_file->userdata = strdup(remote_path);
if (create_new) {
ondup = "newcopy";
} else {
ondup = "overwrite";
}
while(c_file != NULL) {
remote_path = (char *)c_file->userdata;
/* 普通文件 */
if (!c_file->is_dir && !c_file->is_link) {
if (is_first) {
remote_file = BaiduPCS_NewRemoteFile(api, remote_path);
if (remote_file != NULL) {
/* upload xx.txt /apps/xx/
* 对于这种情况,远端路径修正为/apps/xx/xx.txt
*/
if (remote_file->is_dir) {
t_remote_path[0] = '\0';
strcat(t_remote_path, remote_path);
strcat(t_remote_path, "/");
strcat(t_remote_path, basename(c_file->path));
#ifdef DEBUG
fprintf(stderr, "上传路径 %s 修正为 %s\n", remote_path, t_remote_path);
#endif
free(c_file->userdata);
c_file->userdata = strdup(t_remote_path);
remote_path = c_file->userdata;
PCSFile_Free(remote_file);
remote_file = NULL;
continue;
/* upload xx.txt /apps/xx/xx.txt */
} else if (!overwrite && !create_new) {
color_log(COLOR_LOG_IGNORE, "%s -> %s 远端已存在同名文件\n", c_file->path, remote_file->path);
goto free;
}
PCSFile_Free(remote_file);
remote_file = NULL;
}
}
remote_file = BaiduPCS_Upload(api, c_file, remote_path, 0, ondup);
error = BaiduPCS_GetError(api);
/* 上传失败 */
if (error != NULL || remote_file == NULL) {
color_log(COLOR_LOG_ERROR, "%s -> %s %s\n", c_file->path, remote_path, error);
/* 如果上传单个文件，失败后会返回error code */
if (is_first) {
ret = 1;
goto free;
}
/* 上传成功 */
} else {
color_log(COLOR_LOG_OK, "%s -> %s\n", c_file->path, remote_file->path);
PCSFile_Free(remote_file);
remote_file = NULL;
}
free(c_file->userdata);
PCSFile_Free(c_file);
c_file = PCSFileList_Shift(stack);
is_first = 0;
//如果是目录
} else if (c_file->is_dir) {
/* 遍历目录 */
dir = opendir(c_file->path);
/* 读取目录失败 */
if (dir == NULL) {
color_log(COLOR_LOG_ERROR, "%s -> %s 目录读取失败\n", c_file->path, remote_path);
/* 如果当前为用户指定的根目录，直接返回错误 */
if (is_first) {
ret = 1;
goto free;
}
} else {
/* 进行目录修正 */
if (is_first) {
remote_file = BaiduPCS_NewRemoteFile(api, remote_path);
if (remote_file != NULL) {
/* upload ./dir/ /apps/xx/
* 对于这种情况,远端路径修正为/apps/xx/dir
*/
if (remote_file->is_dir) {
t_remote_path[0] = '\0';
strcat(t_remote_path, remote_file->path);
strcat(t_remote_path, "/");
strcat(t_remote_path, basename(c_file->path));
#ifdef DEBUG
fprintf(stderr, "上传目录 %s 修正为 %s\n", remote_path, t_remote_path);
#endif
free(c_file->userdata);
c_file->userdata = strdup(t_remote_path);
remote_path = c_file->userdata;
} else if (!remote_file->is_dir) {
color_log(COLOR_LOG_ERROR, "%s -> %s 远端路径不是目录\n", c_file->path, remote_file->path);
ret = 1;
goto free;
}
PCSFile_Free(remote_file);
remote_file = NULL;
}
}
/* 获取远程目录列表,用于排除远端已存在的文件 */
remote_file = BaiduPCS_NewRemoteFile(api, remote_path);
if (remote_file != NULL) {
/* 远端已存在同名文件 */
if (!remote_file->is_dir) {
color_log(COLOR_LOG_ERROR, "%s -> %s 远端已存与目录同名的文件\n", c_file->path, remote_file->path);
if (is_first) {
ret = 1;
goto free;
}
} else {
/* 获取远端目录文件列表,用于对比本地目录列表 */
r_list = BaiduPCS_ListRemoteDir(api, remote_path);
}
PCSFile_Free(remote_file);
remote_file = NULL;
}
while ((item = readdir(dir)) != NULL) {
if (strcmp(item->d_name, ".") == 0
|| strcmp(item->d_name, "..") == 0) {
continue;
}
/* 构建本地文件完整路径 */
t_path[0] = '\0';
strcat(t_path, c_file->path);
strcat(t_path, "/");
strcat(t_path, item->d_name);
/* 构建上传路径 */
t_remote_path[0] = '\0';
strcat(t_remote_path, remote_path);
strcat(t_remote_path, "/");
strcat(t_remote_path, item->d_name);
new_file = BaiduPCS_NewLocalFile(api, t_path);
error = BaiduPCS_GetError(api);
if (error != NULL || new_file == NULL) {
color_log(COLOR_LOG_ERROR, "%s -> %s %s\n", t_path, t_remote_path, error);
} else {
if (r_list != NULL) {
t_file = PCSFileList_Find(r_list, t_remote_path);
/* 远程已存在同名文件 */
if (t_file != NULL) {
if (new_file->is_dir && !t_file->is_dir) {
color_log(COLOR_LOG_ERROR, "%s -> %s 远程已存在与目录同名的文件\n", t_path, t_remote_path);
PCSFile_Free(new_file);
new_file = NULL;
continue;
} else if (!new_file->is_dir && t_file->is_dir) {
color_log(COLOR_LOG_ERROR, "%s -> %s 远程已存在与文件同名的目录\n", t_path, t_remote_path);
PCSFile_Free(new_file);
new_file = NULL;
continue;
} else if (!new_file->is_dir && !new_file->is_link && !overwrite && !create_new) {
color_log(COLOR_LOG_IGNORE, "%s -> %s 远程已存在同名文件\n", t_path, t_remote_path);
PCSFile_Free(new_file);
new_file = NULL;
continue;
}
}
}
new_file->userdata = strdup(t_remote_path);
//放入栈中
PCSFileList_Prepend(stack, new_file);
new_file = NULL;
}
}
if (r_list != NULL) {
PCSFileList_Free(r_list);
r_list = NULL;
}
closedir(dir);
dir = NULL;
}
free(c_file->userdata);
PCSFile_Free(c_file);
c_file = PCSFileList_Shift(stack);
is_first = 0;
/* 软链接 */
} else if (c_file->is_link) {
if (follow_link) {
realpath(c_file->path, t_path);
#ifdef DEBUG
fprintf(stderr, "跟随软链 %s -> %s\n", c_file->path, t_path);
#endif
new_file = BaiduPCS_NewLocalFile(api, t_path);
new_file->userdata = c_file->userdata;
PCSFile_Free(c_file);
c_file = new_file;
} else {
color_log(COLOR_LOG_IGNORE, "忽略软链接 %s\n", c_file->path);
free(c_file->userdata);
PCSFile_Free(c_file);
c_file = PCSFileList_Shift(stack);
is_first = 0;
}
/* 忽略其他类型 */
} else {
color_log(COLOR_LOG_ERROR, "不支持的文件类型 %s\n", c_file->path);
free(c_file->userdata);
PCSFile_Free(c_file);
c_file = PCSFileList_Shift(stack);
is_first = 0;
}
}
free:
PCSFileList_Free(stack);
if (dir != NULL) {
closedir(dir);
}
if (c_file != NULL) {
free(c_file->userdata);
PCSFile_Free(c_file);
}
if (remote_file != NULL) {
PCSFile_Free(remote_file);
}
if (r_list != NULL) {
PCSFileList_Free(r_list);
}
return ret;
}
//}}}
/* 上传文件或目录 */
int command_upload(int argc, char **argv) {
//{{{
int option_overwrite = 0; /* 覆盖同名文件 */
int option_new = 0; /* 创建新文件 */
int option_follow_link = 0; /* 复制链接源文件 */
size_t option_split_size = 0; /* 分片大小 */
int ret = 0;
int i = 0;
char c;
char *split_size = NULL;
char *remote_path = NULL;
char *local_path = NULL;
/* 最大分片 2G */
size_t max_split_size = 2 * 1024 * 1024 * (size_t)1024;
/* 最小分片 10M */
size_t min_split_size = 10 * 1024 * 1024;
opterr = 0;
while ((c = getopt(argc, argv, "onlp:")) != -1) {
switch (c) {
case 'o':
option_overwrite = 1;
break;
case 'n':
option_new = 1;
break;
case 'l':
option_follow_link = 1;
break;
case 'p':
split_size = optarg;
break;
case '?':
if (optopt == 'p') {
color_log(COLOR_LOG_ERROR, "-p 请指定分片大小\n");
ret = 1;
goto free;
}
break;
}
}
if (option_overwrite && option_new) {
color_log(COLOR_LOG_ERROR, "请不要同时指定-n -o\n");
ret = 1;
goto free;
}
if (optind < argc - 2) {
color_log(COLOR_LOG_ERROR, "请指定路径\n");
usage();
ret = 1;
goto free;
}
local_path = argv[argc - 2];
if (local_path[strlen(local_path) - 1] == '/') {
local_path[strlen(local_path) - 1] = '\0';
}
remote_path = argv[argc - 1];
if (remote_path[strlen(remote_path) - 1] == '/') {
remote_path[strlen(remote_path) - 1] = '\0';
}
/* 默认50M分片大小 */
if (split_size == NULL) {
option_split_size = 50 * 1024 * 1024;
} else {
i = strlen(split_size) - 1;
if (i > 0) {
if (split_size[i] == 'M' || split_size[i] == 'm') {
split_size[i] = '\0';
option_split_size = atof(split_size) * 1024 * 1024;
} else if (split_size[i] == 'G' || split_size[i] == 'g') {
split_size[i] = '\0';
option_split_size = atof(split_size) * 1024 * 1024 * 1024;
}
} else {
option_split_size = atol(split_size);
}
if (option_split_size < min_split_size) {
ret = 1;
color_log(COLOR_LOG_ERROR, "分片尺寸不能小于10M\n");
goto free;
} else if (option_split_size > max_split_size) {
ret = 1;
color_log(COLOR_LOG_ERROR, "分片尺寸不能大于2G\n");
goto free;
}
}
if (!init_api()) {
ret = 1;
goto free;
}
#ifdef DEBUG
fprintf(stderr, "Upload %s to %s\n", local_path, remote_path);
readable_size(option_split_size, api->util_buffer0);
fprintf(stderr, "分片尺寸:%s\n", api->util_buffer0);
#endif
if (stat(local_path, &(api->file_st)) == -1) {
color_log(COLOR_LOG_ERROR, "%s 不存在\n", local_path);
ret = 1;
goto free;
}
ret = do_upload(local_path,
remote_path,
option_overwrite,
option_new,
option_follow_link,
option_split_size);
free:
return ret;
}
//}}}
int _do_download(
const char *remote_path,
const char *local_path,
int overwrite,
int create_new
) {
//{{{
int ret = 0;
int local_exist = 0;
int stdout_output = 0;
const char *error = NULL;
FILE *fp = NULL;
char *buf = api->util_buffer0;
time_t rawtime;
struct tm * timeinfo;
char t_local_file[PATH_MAX + 1];
sprintf(t_local_file, "%s", local_path);
if (strcmp(local_path, "-") == 0) {
fp = stdout;
stdout_output = 1;
} else {
if (stat(local_path, &(api->file_st)) != -1) {
local_exist = 1;
if (S_ISDIR(api->file_st.st_mode)){
color_log(COLOR_LOG_ERROR, "%s -> %s 本地已存与文件同名的目录\n", remote_path, local_path);
if (!create_new || overwrite) {
ret = 1;
goto free;
}
} else if (!overwrite && !create_new) {
color_log(COLOR_LOG_IGNORE, "%s -> %s 本地已存同名文件\n", remote_path, local_path);
goto free;
}
}
if (local_exist && create_new) {
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(buf, 80, ".%Y%m%d%H%M%S", timeinfo);
strcat(t_local_file, buf);
}
fp = fopen(t_local_file, "wb");
if (fp == NULL) {
color_log(COLOR_LOG_ERROR, "%s -> %s 本地文件无法写入\n", remote_path, t_local_file);
ret = 1;
goto free;
}
}
BaiduPCS_Download(api, remote_path, fp);
error = BaiduPCS_GetError(api);
if (error != NULL) {
color_log(COLOR_LOG_ERROR, "%s -> %s 下载失败:%s\n", remote_path, t_local_file, error);
ret = 1;
} else {
color_log(COLOR_LOG_OK, "%s -> %s\n", remote_path, t_local_file);
}
free:
if (!stdout_output && fp != NULL) {
fclose(fp);
}
return ret;
}
//}}}
int do_download(const char *remote_path,
const char *local_path,
int overwrite, /* 是否覆盖 */
int create_new /* 是否新建 */
) {
//{{{
int ret = 0;
int stdout_output = 0;
PCSFile *file = NULL; /* 需要释放 */
PCSFile *t_file = NULL;
const char *error = NULL;
int remote_root_offset = 0;
char *tmp;
char t_local_root[PATH_MAX + 1];
char t_local_file[PATH_MAX + 1];
PCSFileList *stack = NULL; /* 需要释放 */
PCSFileList *list = NULL; /* 需要释放 */
/* 获取远程路径信息 */
file = BaiduPCS_NewRemoteFile(api, remote_path);
error = BaiduPCS_GetError(api);
if (error != NULL || file == NULL) {
color_log(COLOR_LOG_ERROR, "%s 获取文件信息失败:%s\n", remote_path, error);
ret = 1;
goto free;
}
stdout_output = strcmp(local_path, "-") == 0;
sprintf(t_local_file, "%s", local_path);
/* 保存路径修正 */
if (!stdout_output) {
/* 远端为目录 */
if (file->is_dir) {
sprintf(t_local_root, "%s", local_path);
remote_root_offset = strlen(file->path);
if (stat(local_path, &(api->file_st)) != -1) {
if (S_ISDIR(api->file_st.st_mode)){
t_local_root[0] = '\0';
strcat(t_local_root, local_path);
strcat(t_local_root, "/");
strcat(t_local_root, basename(file->path));
#ifdef DEBUG
fprintf(stderr, "本地根目录修正为:%s\n", t_local_root);
#endif
} else {
color_log(COLOR_LOG_ERROR, "%s -> %s 本地已存与目录同名的文件\n", file->path, local_path);
ret = 1;
goto free;
}
}
} else {
if (stat(local_path, &(api->file_st)) != -1) {
if (S_ISDIR(api->file_st.st_mode)){
sprintf(t_local_file, "%s/%s", local_path, basename(file->path));
}
}
}
}
/* 下载单个文件 */
if (!file->is_dir) {
ret = _do_download(remote_path, t_local_file, overwrite, create_new);
} else {
stack = PCSFileList_New();
while(file != NULL) {
tmp = file->path + remote_root_offset;
sprintf(t_local_file, "%s%s", t_local_root, tmp);
/* 如果是普通文件 */
if (!file->is_dir) {
#ifdef DEBUG
PCSFile_Dump(file);
#endif
_do_download(file->path, t_local_file, overwrite, create_new);
PCSFile_Free(file);
file = PCSFileList_Shift(stack);
/* 如果是目录 */
} else {
/* 创建本地目录 */
if (stat(t_local_file, &(api->file_st)) != -1) {
if (!S_ISDIR(api->file_st.st_mode)){
color_log(COLOR_LOG_ERROR, "%s -> %s 本地已存与目录同名的文件\n", file->path, t_local_file);
ret = 1;
goto free;
}
} else {
if (0 != mkdir(t_local_file, 0755)) {
color_log(COLOR_LOG_ERROR, "%s -> %s 本地目录创建失败\n", file->path, t_local_file);
ret = 1;
goto free;
}
}
list = BaiduPCS_ListRemoteDir(api, file->path);
error = BaiduPCS_GetError(api);
if (error != NULL || list == NULL) {
color_log(COLOR_LOG_ERROR, "%s 获取目录列表失败:%s\n", file->path, error);
}
/* 列出目录 */
if (list != NULL) {
t_file = PCSFileList_Shift(list);