COPY and MOVE
fix PUT and DELETE to conform to WebDAV specification
diff --git a/src/http/modules/ngx_http_dav_module.c b/src/http/modules/ngx_http_dav_module.c
index f46cfe1..f0b70ca 100644
--- a/src/http/modules/ngx_http_dav_module.c
+++ b/src/http/modules/ngx_http_dav_module.c
@@ -9,7 +9,15 @@
#include <ngx_http.h>
-#define NGX_HTTP_DAV_OFF 2
+#define NGX_HTTP_DAV_COPY_BLOCK 65536
+
+#define NGX_HTTP_DAV_OFF 2
+
+
+#define NGX_HTTP_DAV_NO_DEPTH -3
+#define NGX_HTTP_DAV_INVALID_DEPTH -2
+#define NGX_HTTP_DAV_INFINITY_DEPTH -1
+
typedef struct {
ngx_uint_t methods;
@@ -18,13 +26,35 @@
} ngx_http_dav_loc_conf_t;
+typedef struct {
+ ngx_str_t path;
+ size_t len;
+} ngx_http_dav_copy_ctx_t;
+
+
static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r);
+
+static void ngx_http_dav_put_handler(ngx_http_request_t *r);
+
+static ngx_int_t ngx_http_dav_delete_handler(ngx_http_request_t *r);
static ngx_int_t ngx_http_dav_no_init(void *ctx, void *prev);
static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path);
static ngx_int_t ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
static ngx_int_t ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path);
-static void ngx_http_dav_put_handler(ngx_http_request_t *r);
-static ngx_int_t ngx_http_dav_error(ngx_http_request_t *, ngx_err_t err,
+
+static ngx_int_t ngx_http_dav_mkcol_handler(ngx_http_request_t *r,
+ ngx_http_dav_loc_conf_t *dlcf);
+
+static ngx_int_t ngx_http_dav_copy_move_handler(ngx_http_request_t *r);
+static ngx_int_t ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
+static ngx_int_t ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx,
+ ngx_str_t *path);
+static ngx_int_t ngx_http_dav_copy_file(ngx_tree_ctx_t *ctx, ngx_str_t *path);
+
+static ngx_int_t ngx_http_dav_delete_path(ngx_http_request_t *r,
+ ngx_str_t *path, ngx_uint_t dir);
+static ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt);
+static ngx_int_t ngx_http_dav_error(ngx_log_t *log, ngx_err_t err,
ngx_int_t not_found, char *failed, u_char *path);
static ngx_int_t ngx_http_dav_location(ngx_http_request_t *r, u_char *path);
static char *ngx_http_dav_access(ngx_conf_t *cf, ngx_command_t *cmd,
@@ -40,6 +70,8 @@
{ ngx_string("put"), NGX_HTTP_PUT },
{ ngx_string("delete"), NGX_HTTP_DELETE },
{ ngx_string("mkcol"), NGX_HTTP_MKCOL },
+ { ngx_string("copy"), NGX_HTTP_COPY },
+ { ngx_string("move"), NGX_HTTP_MOVE },
{ ngx_null_string, 0 }
};
@@ -105,13 +137,7 @@
static ngx_int_t
ngx_http_dav_handler(ngx_http_request_t *r)
{
- char *failed;
- size_t root;
ngx_int_t rc;
- ngx_str_t path;
- ngx_tree_ctx_t tree;
- ngx_file_info_t fi;
- ngx_table_elt_t *depth;
ngx_http_dav_loc_conf_t *dlcf;
/* TODO: Win32 */
@@ -149,165 +175,25 @@
case NGX_HTTP_DELETE:
- if (r->headers_in.content_length_n > 0) {
- return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
- }
-
- rc = ngx_http_discard_body(r);
-
- if (rc != NGX_OK && rc != NGX_AGAIN) {
- return rc;
- }
-
- ngx_http_map_uri_to_path(r, &path, &root, 0);
-
- ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
- "http delete filename: \"%s\"", path.data);
-
- if (ngx_file_info(path.data, &fi) != -1) {
-
- if (ngx_is_dir(&fi)) {
-
- if (r->uri.data[r->uri.len - 1] != '/') {
- return NGX_HTTP_BAD_REQUEST;
- }
-
- depth = r->headers_in.depth;
-
- if (depth
- && (depth->value.len != sizeof("infinity") - 1
- || ngx_strcmp(depth->value.data, "infinity") != 0))
- {
- return NGX_HTTP_BAD_REQUEST;
- }
-
- path.len -= 2;
-
- tree.init_handler = ngx_http_dav_no_init;
- tree.file_handler = ngx_http_dav_delete_file;
- tree.pre_tree_handler = ngx_http_dav_noop;
- tree.post_tree_handler = ngx_http_dav_delete_dir;
- tree.spec_handler = ngx_http_dav_delete_file;
- tree.data = NULL;
- tree.alloc = 0;
- tree.log = r->connection->log;
-
- if (ngx_walk_tree(&tree, &path) == NGX_OK) {
-
- if (ngx_delete_dir(path.data) != NGX_FILE_ERROR) {
- return NGX_HTTP_NO_CONTENT;
- }
-
- }
-
- failed = ngx_delete_dir_n;
-
- } else {
-
- if (r->uri.data[r->uri.len - 1] == '/') {
- return NGX_HTTP_BAD_REQUEST;
- }
-
- depth = r->headers_in.depth;
-
- if (depth
- && depth->value.len == 1
- && depth->value.data[0] == '1')
- {
- return NGX_HTTP_BAD_REQUEST;
- }
-
- if (ngx_delete_file(path.data) != NGX_FILE_ERROR) {
- return NGX_HTTP_NO_CONTENT;
- }
-
- failed = ngx_delete_file_n;
- }
-
- } else {
- failed = ngx_file_info_n;
- }
-
- return ngx_http_dav_error(r, ngx_errno, NGX_HTTP_NOT_FOUND, failed,
- path.data);
+ return ngx_http_dav_delete_handler(r);
case NGX_HTTP_MKCOL:
- if (r->uri.data[r->uri.len - 1] != '/') {
- return NGX_DECLINED;
- }
+ return ngx_http_dav_mkcol_handler(r, dlcf);
- if (r->headers_in.content_length_n > 0) {
- return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
- }
+ case NGX_HTTP_COPY:
- rc = ngx_http_discard_body(r);
+ return ngx_http_dav_copy_move_handler(r);
- if (rc != NGX_OK && rc != NGX_AGAIN) {
- return rc;
- }
+ case NGX_HTTP_MOVE:
- ngx_http_map_uri_to_path(r, &path, &root, 0);
-
- ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
- "http mkcol path: \"%s\"", path.data);
-
- if (ngx_create_dir(path.data, ngx_dir_access(dlcf->access))
- != NGX_FILE_ERROR)
- {
- if (ngx_http_dav_location(r, path.data) != NGX_OK) {
- return NGX_HTTP_INTERNAL_SERVER_ERROR;
- }
-
- return NGX_HTTP_CREATED;
- }
-
- return ngx_http_dav_error(r, ngx_errno, NGX_HTTP_CONFLICT,
- ngx_create_dir_n, path.data);
+ return ngx_http_dav_copy_move_handler(r);
}
return NGX_DECLINED;
}
-static ngx_int_t
-ngx_http_dav_no_init(void *ctx, void *prev)
-{
- return NGX_OK;
-}
-
-
-static ngx_int_t
-ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path)
-{
- return NGX_OK;
-}
-
-
-static ngx_int_t
-ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
-{
- ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
- "http delete dir: \"%s\"", path->data);
-
- ngx_delete_dir(path->data);
-
- return NGX_OK;
-}
-
-
-static ngx_int_t
-ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
-{
- ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
- "http delete file: \"%s\"", path->data);
-
- ngx_delete_file(path->data);
-
- return NGX_OK;
-}
-
-
static void
ngx_http_dav_put_handler(ngx_http_request_t *r)
{
@@ -317,7 +203,7 @@
time_t date;
ngx_err_t err;
ngx_str_t *temp, path;
- ngx_uint_t status;
+ ngx_uint_t status, not_found;
ngx_file_info_t fi;
ngx_http_dav_loc_conf_t *dlcf;
@@ -357,6 +243,7 @@
== NGX_FILE_ERROR)
{
err = ngx_errno;
+ not_found = NGX_HTTP_INTERNAL_SERVER_ERROR;
failed = ngx_change_file_access_n;
name = temp->data;
@@ -375,6 +262,7 @@
!= NGX_OK)
{
err = ngx_errno;
+ not_found = NGX_HTTP_INTERNAL_SERVER_ERROR;
failed = ngx_set_file_time_n;
name = temp->data;
@@ -383,6 +271,7 @@
}
}
+ not_found = NGX_HTTP_CONFLICT;
failed = ngx_rename_file_n;
name = path.data;
@@ -431,7 +320,8 @@
}
ngx_http_finalize_request(r,
- ngx_http_dav_error(r, err, NGX_HTTP_CONFLICT, failed, name));
+ ngx_http_dav_error(r->connection->log, err,
+ not_found, failed, name));
return;
@@ -455,7 +345,700 @@
static ngx_int_t
-ngx_http_dav_error(ngx_http_request_t *r, ngx_err_t err, ngx_int_t not_found,
+ngx_http_dav_delete_handler(ngx_http_request_t *r)
+{
+ size_t root;
+ ngx_int_t rc, depth;
+ ngx_uint_t dir;
+ ngx_str_t path;
+ ngx_file_info_t fi;
+
+ if (r->headers_in.content_length_n > 0) {
+ return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
+ }
+
+ rc = ngx_http_discard_body(r);
+
+ if (rc != NGX_OK && rc != NGX_AGAIN) {
+ return rc;
+ }
+
+ ngx_http_map_uri_to_path(r, &path, &root, 0);
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http delete filename: \"%s\"", path.data);
+
+ if (ngx_file_info(path.data, &fi) == -1) {
+ return ngx_http_dav_error(r->connection->log, ngx_errno,
+ NGX_HTTP_NOT_FOUND, ngx_file_info_n,
+ path.data);
+ }
+
+ if (ngx_is_dir(&fi)) {
+
+ if (r->uri.data[r->uri.len - 1] != '/') {
+ /* TODO: 301 */
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH);
+
+ if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ path.len -= 2; /* omit "/\0" */
+
+ dir = 1;
+
+ } else {
+
+ depth = ngx_http_dav_depth(r, 0);
+
+ if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ dir = 0;
+ }
+
+ rc = ngx_http_dav_delete_path(r, &path, dir);
+
+ if (rc == NGX_OK) {
+ return NGX_HTTP_NO_CONTENT;
+ }
+
+ return rc;
+}
+
+
+static ngx_int_t
+ngx_http_dav_no_init(void *ctx, void *prev)
+{
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path)
+{
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
+{
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http delete dir: \"%s\"", path->data);
+
+ if (ngx_delete_dir(path->data) == NGX_FILE_ERROR) {
+
+ /* TODO: add to 207 */
+
+ (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_dir_n,
+ path->data);
+ }
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
+{
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http delete file: \"%s\"", path->data);
+
+ if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
+
+ /* TODO: add to 207 */
+
+ (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_file_n,
+ path->data);
+ }
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_dav_mkcol_handler(ngx_http_request_t *r, ngx_http_dav_loc_conf_t *dlcf)
+{
+ size_t root;
+ ngx_int_t rc;
+ ngx_str_t path;
+
+ if (r->headers_in.content_length_n > 0) {
+ return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
+ }
+
+ rc = ngx_http_discard_body(r);
+
+ if (rc != NGX_OK && rc != NGX_AGAIN) {
+ return rc;
+ }
+
+ ngx_http_map_uri_to_path(r, &path, &root, 0);
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http mkcol path: \"%s\"", path.data);
+
+ if (ngx_create_dir(path.data, ngx_dir_access(dlcf->access))
+ != NGX_FILE_ERROR)
+ {
+ if (ngx_http_dav_location(r, path.data) != NGX_OK) {
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+
+ return NGX_HTTP_CREATED;
+ }
+
+ return ngx_http_dav_error(r->connection->log, ngx_errno,
+ NGX_HTTP_BAD_REQUEST, ngx_create_dir_n,
+ path.data);
+}
+
+
+static ngx_int_t
+ngx_http_dav_copy_move_handler(ngx_http_request_t *r)
+{
+ u_char *p, *host, *last, ch;
+ size_t root;
+ ngx_err_t err;
+ ngx_int_t rc, depth;
+ ngx_uint_t overwrite, slash;
+ ngx_str_t path, uri;
+ ngx_tree_ctx_t tree;
+ ngx_file_info_t fi;
+ ngx_table_elt_t *dest, *over;
+ ngx_http_dav_copy_ctx_t copy;
+
+ if (r->headers_in.content_length_n > 0) {
+ return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
+ }
+
+ dest = r->headers_in.destination;
+
+ if (dest == NULL) {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "client sent no \"Destination\" header");
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ if (dest->value.len < sizeof("http://") - 1 + r->server_name.len + 1) {
+ goto invalid_destination;
+ }
+
+#if (NGX_HTTP_SSL)
+
+ if (r->connection->ssl) {
+ if (ngx_strncmp(dest->value.data, "https://", sizeof("https://") - 1)
+ != 0)
+ {
+ goto invalid_destination;
+ }
+
+ host = dest->value.data + sizeof("https://") - 1;
+
+ } else
+#endif
+ {
+ if (ngx_strncmp(dest->value.data, "http://", sizeof("http://") - 1)
+ != 0)
+ {
+ goto invalid_destination;
+ }
+
+ host = dest->value.data + sizeof("http://") - 1;
+ }
+
+ if (ngx_strncmp(host, r->server_name.data, r->server_name.len) != 0) {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "Destination URI \"%V\" is handled by "
+ "different repository than the source URI",
+ &dest->value);
+
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ last = dest->value.data + dest->value.len;
+
+ for (p = host + r->server_name.len; p < last; p++) {
+ if (*p == '/') {
+ goto destination_done;
+ }
+ }
+
+invalid_destination:
+
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "client sent invalid \"Destination\" header: \"%V\"",
+ &dest->value);
+
+ return NGX_HTTP_BAD_REQUEST;
+
+destination_done:
+
+ depth = ngx_http_dav_depth(r, 0);
+
+ if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ over = r->headers_in.overwrite;
+
+ if (over) {
+ if (over->value.len == 1) {
+ ch = over->value.data[0];
+
+ if (ch == 'T' || ch == 't') {
+ overwrite = 1;
+ goto overwrite_done;
+ }
+
+ if (ch == 'F' || ch == 'f') {
+ overwrite = 0;
+ goto overwrite_done;
+ }
+
+ }
+
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "client sent invalid \"Overwrite\" header: \"%V\"",
+ &over->value);
+
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ overwrite = 1;
+
+overwrite_done:
+
+ rc = ngx_http_discard_body(r);
+
+ if (rc != NGX_OK && rc != NGX_AGAIN) {
+ return rc;
+ }
+
+ ngx_http_map_uri_to_path(r, &path, &root, 0);
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http copy from: \"%s\"", path.data);
+
+ uri = r->uri;
+
+ r->uri.len = last - p;
+ r->uri.data = p;
+
+ ngx_http_map_uri_to_path(r, ©.path, &root, 0);
+
+ r->uri = uri;
+
+ copy.path.len--; /* omit "\0" */
+
+ if (copy.path.data[copy.path.len - 1] == '/') {
+ slash = 1;
+ copy.path.len--;
+ copy.path.data[copy.path.len] = '\0';
+
+ } else {
+ slash = 0;
+ }
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http copy to: \"%s\"", copy.path.data);
+
+ if (ngx_file_info(copy.path.data, &fi) == -1) {
+ err = ngx_errno;
+
+ if (err != NGX_ENOENT) {
+ return ngx_http_dav_error(r->connection->log, err,
+ NGX_HTTP_NOT_FOUND, ngx_file_info_n,
+ copy.path.data);
+ }
+
+ /* destination does not exist */
+
+ } else {
+
+ /* destination exists */
+
+ if (ngx_is_dir(&fi) && !slash) {
+ return NGX_HTTP_CONFLICT;
+ }
+
+ if (!overwrite) {
+ return NGX_HTTP_PRECONDITION_FAILED;
+ }
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http delete: \"%s\"", copy.path.data);
+
+ rc = ngx_http_dav_delete_path(r, ©.path, ngx_is_dir(&fi));
+
+ if (rc != NGX_OK) {
+ return rc;
+ }
+ }
+
+ if (ngx_file_info(path.data, &fi) == -1) {
+ return ngx_http_dav_error(r->connection->log, ngx_errno,
+ NGX_HTTP_NOT_FOUND, ngx_file_info_n,
+ path.data);
+ }
+
+
+ if (ngx_is_dir(&fi)) {
+
+ if (r->uri.data[r->uri.len - 1] != '/') {
+ /* TODO: 301 */
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ path.len -= 2; /* omit "/\0" */
+
+ if (r->method == NGX_HTTP_MOVE) {
+ if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) {
+ return NGX_HTTP_CREATED;
+ }
+ }
+
+ if (ngx_create_dir(copy.path.data, ngx_file_access(&fi))
+ == NGX_FILE_ERROR)
+ {
+ return ngx_http_dav_error(r->connection->log, ngx_errno,
+ NGX_HTTP_NOT_FOUND,
+ ngx_create_dir_n, copy.path.data);
+ }
+
+ copy.len = path.len;
+
+ tree.init_handler = ngx_http_dav_no_init;
+ tree.file_handler = ngx_http_dav_copy_file;
+ tree.pre_tree_handler = ngx_http_dav_copy_dir;
+ tree.post_tree_handler = ngx_http_dav_copy_dir_time;
+ tree.spec_handler = ngx_http_dav_noop;
+ tree.data = ©
+ tree.alloc = 0;
+ tree.log = r->connection->log;
+
+ if (ngx_walk_tree(&tree, &path) == NGX_OK) {
+
+ if (r->method == NGX_HTTP_MOVE) {
+ rc = ngx_http_dav_delete_path(r, &path, 1);
+
+ if (rc != NGX_OK) {
+ return rc;
+ }
+ }
+
+ return NGX_HTTP_CREATED;
+ }
+
+ } else {
+
+ if (dest->value.data[dest->value.len - 1] == '/') {
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ if (r->method == NGX_HTTP_MOVE) {
+ if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) {
+ return NGX_HTTP_NO_CONTENT;
+ }
+ }
+
+ tree.data = ©
+ tree.log = r->connection->log;
+
+ if (ngx_http_dav_copy_file(&tree, &path) != NGX_FILE_ERROR) {
+
+ if (r->method == NGX_HTTP_MOVE) {
+ rc = ngx_http_dav_delete_path(r, &path, 0);
+
+ if (rc != NGX_OK) {
+ return rc;
+ }
+ }
+
+ return NGX_HTTP_NO_CONTENT;
+ }
+ }
+
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+}
+
+
+static ngx_int_t
+ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
+{
+ u_char *p, *dir;
+ size_t len;
+ ngx_http_dav_copy_ctx_t *copy;
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http copy dir: \"%s\"", path->data);
+
+ copy = ctx->data;
+
+ len = copy->path.len + path->len;
+
+ dir = ngx_alloc(len + 1, ctx->log);
+ if (dir == NULL) {
+ return NGX_ABORT;
+ }
+
+ p = ngx_cpymem(dir, copy->path.data, copy->path.len);
+ (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http copy dir to: \"%s\"", dir);
+
+ if (ngx_create_dir(dir, ngx_dir_access(ctx->access)) == NGX_FILE_ERROR) {
+ (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_create_dir_n,
+ dir);
+ }
+
+ ngx_free(dir);
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, ngx_str_t *path)
+{
+ u_char *p, *dir;
+ size_t len;
+ ngx_http_dav_copy_ctx_t *copy;
+#if (WIN32)
+ ngx_fd_t fd;
+#endif
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http copy dir time: \"%s\"", path->data);
+
+ copy = ctx->data;
+
+ len = copy->path.len + path->len;
+
+ dir = ngx_alloc(len + 1, ctx->log);
+ if (dir == NULL) {
+ return NGX_ABORT;
+ }
+
+ p = ngx_cpymem(dir, copy->path.data, copy->path.len);
+ (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http copy dir time to: \"%s\"", dir);
+
+#if (WIN32)
+
+ fd = ngx_open_file(dir, NGX_FILE_RDWR, NGX_FILE_OPEN, 0);
+
+ if (fd == NGX_INVALID_FILE) {
+ (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, dir);
+ goto failed;
+ }
+
+ if (ngx_set_file_time(NULL, fd, ctx->mtime) != NGX_OK) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_set_file_time_n " \"%s\" failed", dir);
+ }
+
+ if (ngx_close_file(fd) == NGX_FILE_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_close_file_n " \"%s\" failed", dir);
+ }
+
+failed:
+
+#else
+
+ if (ngx_set_file_time(dir, 0, ctx->mtime) != NGX_OK) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_set_file_time_n " \"%s\" failed", dir);
+ }
+
+#endif
+
+ ngx_free(dir);
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_dav_copy_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
+{
+ u_char *p, *file;
+ size_t len;
+ off_t size;
+ ssize_t n;
+ ngx_fd_t fd, copy_fd;
+ ngx_http_dav_copy_ctx_t *copy;
+ u_char buf[NGX_HTTP_DAV_COPY_BLOCK];
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http copy file: \"%s\"", path->data);
+
+ copy = ctx->data;
+
+ len = copy->path.len + path->len;
+
+ file = ngx_alloc(len + 1, ctx->log);
+ if (file == NULL) {
+ return NGX_ABORT;
+ }
+
+ p = ngx_cpymem(file, copy->path.data, copy->path.len);
+ (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
+ "http copy file to: \"%s\"", file);
+
+ fd = ngx_open_file(path->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
+
+ if (fd == NGX_INVALID_FILE) {
+ (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n,
+ path->data);
+ goto failed;
+ }
+
+ copy_fd = ngx_open_file(file, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN,
+ ctx->access);
+
+ if (copy_fd == NGX_INVALID_FILE) {
+ (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n,
+ file);
+ goto copy_failed;
+ }
+
+ for (size = ctx->size; size > 0; size -= n) {
+
+ n = ngx_read_fd(fd, buf, NGX_HTTP_DAV_COPY_BLOCK);
+
+ if (n == NGX_FILE_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_read_fd_n " \"%s\" failed", path->data);
+ break;
+ }
+
+ if (ngx_write_fd(copy_fd, buf, n) == NGX_FILE_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_write_fd_n " \"%s\" failed", file);
+ }
+ }
+
+ if (ngx_set_file_time(file, copy_fd, ctx->mtime) != NGX_OK) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_set_file_time_n " \"%s\" failed", file);
+ }
+
+ if (ngx_close_file(copy_fd) == NGX_FILE_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_close_file_n " \"%s\" failed", file);
+ }
+
+copy_failed:
+
+ if (ngx_close_file(fd) == NGX_FILE_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
+ ngx_close_file_n " \"%s\" failed", path->data);
+ }
+
+failed:
+
+ ngx_free(file);
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir)
+{
+ char *failed;
+ ngx_tree_ctx_t tree;
+
+ if (dir) {
+
+ tree.init_handler = ngx_http_dav_no_init;
+ tree.file_handler = ngx_http_dav_delete_file;
+ tree.pre_tree_handler = ngx_http_dav_noop;
+ tree.post_tree_handler = ngx_http_dav_delete_dir;
+ tree.spec_handler = ngx_http_dav_delete_file;
+ tree.data = NULL;
+ tree.alloc = 0;
+ tree.log = r->connection->log;
+
+ /* todo: 207 */
+
+ if (ngx_walk_tree(&tree, path) != NGX_OK) {
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+
+ if (ngx_delete_dir(path->data) != NGX_FILE_ERROR) {
+ return NGX_OK;
+ }
+
+ failed = ngx_delete_dir_n;
+
+ } else {
+
+ if (ngx_delete_file(path->data) != NGX_FILE_ERROR) {
+ return NGX_OK;
+ }
+
+ failed = ngx_delete_file_n;
+ }
+
+ return ngx_http_dav_error(r->connection->log, ngx_errno,
+ NGX_HTTP_NOT_FOUND, failed, path->data);
+}
+
+
+static ngx_int_t
+ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt)
+{
+ ngx_table_elt_t *depth;
+
+ depth = r->headers_in.depth;
+
+ if (depth == NULL) {
+ return dflt;
+ }
+
+ if (depth->value.len == 1) {
+
+ if (depth->value.data[0] == '0') {
+ return 0;
+ }
+
+ if (depth->value.data[0] == '1') {
+ return 1;
+ }
+
+ } else {
+
+ if (depth->value.len == sizeof("infinity") - 1
+ && ngx_strcmp(depth->value.data, "infinity") == 0)
+ {
+ return NGX_HTTP_DAV_INFINITY_DEPTH;
+ }
+ }
+
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "client sent invalid \"Depth\" header: \"%V\"",
+ &depth->value);
+
+ return NGX_HTTP_DAV_INVALID_DEPTH;
+}
+
+
+static ngx_int_t
+ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found,
char *failed, u_char *path)
{
ngx_int_t rc;
@@ -482,8 +1065,7 @@
rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
}
- ngx_log_error(level, r->connection->log, err,
- "%s \"%s\" failed", failed, path);
+ ngx_log_error(level, log, err, "%s \"%s\" failed", failed, path);
return rc;
}
