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-rw-r--r--app/nginx/src/http/modules/ngx_http_autoindex_module.c1050
1 files changed, 1050 insertions, 0 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_autoindex_module.c b/app/nginx/src/http/modules/ngx_http_autoindex_module.c
new file mode 100644
index 0000000..b3bf652
--- /dev/null
+++ b/app/nginx/src/http/modules/ngx_http_autoindex_module.c
@@ -0,0 +1,1050 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_http.h>
+
+
+#if 0
+
+typedef struct {
+ ngx_buf_t *buf;
+ size_t size;
+ ngx_pool_t *pool;
+ size_t alloc_size;
+ ngx_chain_t **last_out;
+} ngx_http_autoindex_ctx_t;
+
+#endif
+
+
+typedef struct {
+ ngx_str_t name;
+ size_t utf_len;
+ size_t escape;
+ size_t escape_html;
+
+ unsigned dir:1;
+ unsigned file:1;
+
+ time_t mtime;
+ off_t size;
+} ngx_http_autoindex_entry_t;
+
+
+typedef struct {
+ ngx_flag_t enable;
+ ngx_uint_t format;
+ ngx_flag_t localtime;
+ ngx_flag_t exact_size;
+} ngx_http_autoindex_loc_conf_t;
+
+
+#define NGX_HTTP_AUTOINDEX_HTML 0
+#define NGX_HTTP_AUTOINDEX_JSON 1
+#define NGX_HTTP_AUTOINDEX_JSONP 2
+#define NGX_HTTP_AUTOINDEX_XML 3
+
+#define NGX_HTTP_AUTOINDEX_PREALLOCATE 50
+
+#define NGX_HTTP_AUTOINDEX_NAME_LEN 50
+
+
+static ngx_buf_t *ngx_http_autoindex_html(ngx_http_request_t *r,
+ ngx_array_t *entries);
+static ngx_buf_t *ngx_http_autoindex_json(ngx_http_request_t *r,
+ ngx_array_t *entries, ngx_str_t *callback);
+static ngx_int_t ngx_http_autoindex_jsonp_callback(ngx_http_request_t *r,
+ ngx_str_t *callback);
+static ngx_buf_t *ngx_http_autoindex_xml(ngx_http_request_t *r,
+ ngx_array_t *entries);
+
+static int ngx_libc_cdecl ngx_http_autoindex_cmp_entries(const void *one,
+ const void *two);
+static ngx_int_t ngx_http_autoindex_error(ngx_http_request_t *r,
+ ngx_dir_t *dir, ngx_str_t *name);
+
+static ngx_int_t ngx_http_autoindex_init(ngx_conf_t *cf);
+static void *ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf);
+static char *ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf,
+ void *parent, void *child);
+
+
+static ngx_conf_enum_t ngx_http_autoindex_format[] = {
+ { ngx_string("html"), NGX_HTTP_AUTOINDEX_HTML },
+ { ngx_string("json"), NGX_HTTP_AUTOINDEX_JSON },
+ { ngx_string("jsonp"), NGX_HTTP_AUTOINDEX_JSONP },
+ { ngx_string("xml"), NGX_HTTP_AUTOINDEX_XML },
+ { ngx_null_string, 0 }
+};
+
+
+static ngx_command_t ngx_http_autoindex_commands[] = {
+
+ { ngx_string("autoindex"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_autoindex_loc_conf_t, enable),
+ NULL },
+
+ { ngx_string("autoindex_format"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_enum_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_autoindex_loc_conf_t, format),
+ &ngx_http_autoindex_format },
+
+ { ngx_string("autoindex_localtime"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_autoindex_loc_conf_t, localtime),
+ NULL },
+
+ { ngx_string("autoindex_exact_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_autoindex_loc_conf_t, exact_size),
+ NULL },
+
+ ngx_null_command
+};
+
+
+static ngx_http_module_t ngx_http_autoindex_module_ctx = {
+ NULL, /* preconfiguration */
+ ngx_http_autoindex_init, /* postconfiguration */
+
+ NULL, /* create main configuration */
+ NULL, /* init main configuration */
+
+ NULL, /* create server configuration */
+ NULL, /* merge server configuration */
+
+ ngx_http_autoindex_create_loc_conf, /* create location configuration */
+ ngx_http_autoindex_merge_loc_conf /* merge location configuration */
+};
+
+
+ngx_module_t ngx_http_autoindex_module = {
+ NGX_MODULE_V1,
+ &ngx_http_autoindex_module_ctx, /* module context */
+ ngx_http_autoindex_commands, /* module directives */
+ NGX_HTTP_MODULE, /* module type */
+ NULL, /* init master */
+ NULL, /* init module */
+ NULL, /* init process */
+ NULL, /* init thread */
+ NULL, /* exit thread */
+ NULL, /* exit process */
+ NULL, /* exit master */
+ NGX_MODULE_V1_PADDING
+};
+
+
+static ngx_int_t
+ngx_http_autoindex_handler(ngx_http_request_t *r)
+{
+ u_char *last, *filename;
+ size_t len, allocated, root;
+ ngx_err_t err;
+ ngx_buf_t *b;
+ ngx_int_t rc;
+ ngx_str_t path, callback;
+ ngx_dir_t dir;
+ ngx_uint_t level, format;
+ ngx_pool_t *pool;
+ ngx_chain_t out;
+ ngx_array_t entries;
+ ngx_http_autoindex_entry_t *entry;
+ ngx_http_autoindex_loc_conf_t *alcf;
+
+ if (r->uri.data[r->uri.len - 1] != '/') {
+ return NGX_DECLINED;
+ }
+
+ if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
+ return NGX_DECLINED;
+ }
+
+ alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);
+
+ if (!alcf->enable) {
+ return NGX_DECLINED;
+ }
+
+ /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */
+
+ last = ngx_http_map_uri_to_path(r, &path, &root,
+ NGX_HTTP_AUTOINDEX_PREALLOCATE);
+ if (last == NULL) {
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+
+ allocated = path.len;
+ path.len = last - path.data;
+ if (path.len > 1) {
+ path.len--;
+ }
+ path.data[path.len] = '\0';
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http autoindex: \"%s\"", path.data);
+
+ format = alcf->format;
+
+ if (format == NGX_HTTP_AUTOINDEX_JSONP) {
+ if (ngx_http_autoindex_jsonp_callback(r, &callback) != NGX_OK) {
+ return NGX_HTTP_BAD_REQUEST;
+ }
+
+ if (callback.len == 0) {
+ format = NGX_HTTP_AUTOINDEX_JSON;
+ }
+ }
+
+ if (ngx_open_dir(&path, &dir) == NGX_ERROR) {
+ err = ngx_errno;
+
+ if (err == NGX_ENOENT
+ || err == NGX_ENOTDIR
+ || err == NGX_ENAMETOOLONG)
+ {
+ level = NGX_LOG_ERR;
+ rc = NGX_HTTP_NOT_FOUND;
+
+ } else if (err == NGX_EACCES) {
+ level = NGX_LOG_ERR;
+ rc = NGX_HTTP_FORBIDDEN;
+
+ } else {
+ level = NGX_LOG_CRIT;
+ rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+
+ ngx_log_error(level, r->connection->log, err,
+ ngx_open_dir_n " \"%s\" failed", path.data);
+
+ return rc;
+ }
+
+#if (NGX_SUPPRESS_WARN)
+
+ /* MSVC thinks 'entries' may be used without having been initialized */
+ ngx_memzero(&entries, sizeof(ngx_array_t));
+
+#endif
+
+ /* TODO: pool should be temporary pool */
+ pool = r->pool;
+
+ if (ngx_array_init(&entries, pool, 40, sizeof(ngx_http_autoindex_entry_t))
+ != NGX_OK)
+ {
+ return ngx_http_autoindex_error(r, &dir, &path);
+ }
+
+ r->headers_out.status = NGX_HTTP_OK;
+
+ switch (format) {
+
+ case NGX_HTTP_AUTOINDEX_JSON:
+ ngx_str_set(&r->headers_out.content_type, "application/json");
+ break;
+
+ case NGX_HTTP_AUTOINDEX_JSONP:
+ ngx_str_set(&r->headers_out.content_type, "application/javascript");
+ break;
+
+ case NGX_HTTP_AUTOINDEX_XML:
+ ngx_str_set(&r->headers_out.content_type, "text/xml");
+ ngx_str_set(&r->headers_out.charset, "utf-8");
+ break;
+
+ default: /* NGX_HTTP_AUTOINDEX_HTML */
+ ngx_str_set(&r->headers_out.content_type, "text/html");
+ break;
+ }
+
+ r->headers_out.content_type_len = r->headers_out.content_type.len;
+ r->headers_out.content_type_lowcase = NULL;
+
+ rc = ngx_http_send_header(r);
+
+ if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
+ if (ngx_close_dir(&dir) == NGX_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
+ ngx_close_dir_n " \"%V\" failed", &path);
+ }
+
+ return rc;
+ }
+
+ filename = path.data;
+ filename[path.len] = '/';
+
+ for ( ;; ) {
+ ngx_set_errno(0);
+
+ if (ngx_read_dir(&dir) == NGX_ERROR) {
+ err = ngx_errno;
+
+ if (err != NGX_ENOMOREFILES) {
+ ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
+ ngx_read_dir_n " \"%V\" failed", &path);
+ return ngx_http_autoindex_error(r, &dir, &path);
+ }
+
+ break;
+ }
+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http autoindex file: \"%s\"", ngx_de_name(&dir));
+
+ len = ngx_de_namelen(&dir);
+
+ if (ngx_de_name(&dir)[0] == '.') {
+ continue;
+ }
+
+ if (!dir.valid_info) {
+
+ /* 1 byte for '/' and 1 byte for terminating '\0' */
+
+ if (path.len + 1 + len + 1 > allocated) {
+ allocated = path.len + 1 + len + 1
+ + NGX_HTTP_AUTOINDEX_PREALLOCATE;
+
+ filename = ngx_pnalloc(pool, allocated);
+ if (filename == NULL) {
+ return ngx_http_autoindex_error(r, &dir, &path);
+ }
+
+ last = ngx_cpystrn(filename, path.data, path.len + 1);
+ *last++ = '/';
+ }
+
+ ngx_cpystrn(last, ngx_de_name(&dir), len + 1);
+
+ if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) {
+ err = ngx_errno;
+
+ if (err != NGX_ENOENT && err != NGX_ELOOP) {
+ ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
+ ngx_de_info_n " \"%s\" failed", filename);
+
+ if (err == NGX_EACCES) {
+ continue;
+ }
+
+ return ngx_http_autoindex_error(r, &dir, &path);
+ }
+
+ if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) {
+ ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
+ ngx_de_link_info_n " \"%s\" failed",
+ filename);
+ return ngx_http_autoindex_error(r, &dir, &path);
+ }
+ }
+ }
+
+ entry = ngx_array_push(&entries);
+ if (entry == NULL) {
+ return ngx_http_autoindex_error(r, &dir, &path);
+ }
+
+ entry->name.len = len;
+
+ entry->name.data = ngx_pnalloc(pool, len + 1);
+ if (entry->name.data == NULL) {
+ return ngx_http_autoindex_error(r, &dir, &path);
+ }
+
+ ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1);
+
+ entry->dir = ngx_de_is_dir(&dir);
+ entry->file = ngx_de_is_file(&dir);
+ entry->mtime = ngx_de_mtime(&dir);
+ entry->size = ngx_de_size(&dir);
+ }
+
+ if (ngx_close_dir(&dir) == NGX_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
+ ngx_close_dir_n " \"%V\" failed", &path);
+ }
+
+ if (entries.nelts > 1) {
+ ngx_qsort(entries.elts, (size_t) entries.nelts,
+ sizeof(ngx_http_autoindex_entry_t),
+ ngx_http_autoindex_cmp_entries);
+ }
+
+ switch (format) {
+
+ case NGX_HTTP_AUTOINDEX_JSON:
+ b = ngx_http_autoindex_json(r, &entries, NULL);
+ break;
+
+ case NGX_HTTP_AUTOINDEX_JSONP:
+ b = ngx_http_autoindex_json(r, &entries, &callback);
+ break;
+
+ case NGX_HTTP_AUTOINDEX_XML:
+ b = ngx_http_autoindex_xml(r, &entries);
+ break;
+
+ default: /* NGX_HTTP_AUTOINDEX_HTML */
+ b = ngx_http_autoindex_html(r, &entries);
+ break;
+ }
+
+ if (b == NULL) {
+ return NGX_ERROR;
+ }
+
+ /* TODO: free temporary pool */
+
+ if (r == r->main) {
+ b->last_buf = 1;
+ }
+
+ b->last_in_chain = 1;
+
+ out.buf = b;
+ out.next = NULL;
+
+ return ngx_http_output_filter(r, &out);
+}
+
+
+static ngx_buf_t *
+ngx_http_autoindex_html(ngx_http_request_t *r, ngx_array_t *entries)
+{
+ u_char *last, scale;
+ off_t length;
+ size_t len, char_len, escape_html;
+ ngx_tm_t tm;
+ ngx_buf_t *b;
+ ngx_int_t size;
+ ngx_uint_t i, utf8;
+ ngx_time_t *tp;
+ ngx_http_autoindex_entry_t *entry;
+ ngx_http_autoindex_loc_conf_t *alcf;
+
+ static u_char title[] =
+ "<html>" CRLF
+ "<head><title>Index of "
+ ;
+
+ static u_char header[] =
+ "</title></head>" CRLF
+ "<body bgcolor=\"white\">" CRLF
+ "<h1>Index of "
+ ;
+
+ static u_char tail[] =
+ "</body>" CRLF
+ "</html>" CRLF
+ ;
+
+ static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+ if (r->headers_out.charset.len == 5
+ && ngx_strncasecmp(r->headers_out.charset.data, (u_char *) "utf-8", 5)
+ == 0)
+ {
+ utf8 = 1;
+
+ } else {
+ utf8 = 0;
+ }
+
+ escape_html = ngx_escape_html(NULL, r->uri.data, r->uri.len);
+
+ len = sizeof(title) - 1
+ + r->uri.len + escape_html
+ + sizeof(header) - 1
+ + r->uri.len + escape_html
+ + sizeof("</h1>") - 1
+ + sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1
+ + sizeof("</pre><hr>") - 1
+ + sizeof(tail) - 1;
+
+ entry = entries->elts;
+ for (i = 0; i < entries->nelts; i++) {
+ entry[i].escape = 2 * ngx_escape_uri(NULL, entry[i].name.data,
+ entry[i].name.len,
+ NGX_ESCAPE_URI_COMPONENT);
+
+ entry[i].escape_html = ngx_escape_html(NULL, entry[i].name.data,
+ entry[i].name.len);
+
+ if (utf8) {
+ entry[i].utf_len = ngx_utf8_length(entry[i].name.data,
+ entry[i].name.len);
+ } else {
+ entry[i].utf_len = entry[i].name.len;
+ }
+
+ len += sizeof("<a href=\"") - 1
+ + entry[i].name.len + entry[i].escape
+ + 1 /* 1 is for "/" */
+ + sizeof("\">") - 1
+ + entry[i].name.len - entry[i].utf_len
+ + entry[i].escape_html
+ + NGX_HTTP_AUTOINDEX_NAME_LEN + sizeof("&gt;") - 2
+ + sizeof("</a>") - 1
+ + sizeof(" 28-Sep-1970 12:00 ") - 1
+ + 20 /* the file size */
+ + 2;
+ }
+
+ b = ngx_create_temp_buf(r->pool, len);
+ if (b == NULL) {
+ return NULL;
+ }
+
+ b->last = ngx_cpymem(b->last, title, sizeof(title) - 1);
+
+ if (escape_html) {
+ b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len);
+ b->last = ngx_cpymem(b->last, header, sizeof(header) - 1);
+ b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len);
+
+ } else {
+ b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
+ b->last = ngx_cpymem(b->last, header, sizeof(header) - 1);
+ b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
+ }
+
+ b->last = ngx_cpymem(b->last, "</h1>", sizeof("</h1>") - 1);
+
+ b->last = ngx_cpymem(b->last, "<hr><pre><a href=\"../\">../</a>" CRLF,
+ sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1);
+
+ alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);
+ tp = ngx_timeofday();
+
+ for (i = 0; i < entries->nelts; i++) {
+ b->last = ngx_cpymem(b->last, "<a href=\"", sizeof("<a href=\"") - 1);
+
+ if (entry[i].escape) {
+ ngx_escape_uri(b->last, entry[i].name.data, entry[i].name.len,
+ NGX_ESCAPE_URI_COMPONENT);
+
+ b->last += entry[i].name.len + entry[i].escape;
+
+ } else {
+ b->last = ngx_cpymem(b->last, entry[i].name.data,
+ entry[i].name.len);
+ }
+
+ if (entry[i].dir) {
+ *b->last++ = '/';
+ }
+
+ *b->last++ = '"';
+ *b->last++ = '>';
+
+ len = entry[i].utf_len;
+
+ if (entry[i].name.len != len) {
+ if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
+ char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3 + 1;
+
+ } else {
+ char_len = NGX_HTTP_AUTOINDEX_NAME_LEN + 1;
+ }
+
+ last = b->last;
+ b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data,
+ char_len, entry[i].name.len + 1);
+
+ if (entry[i].escape_html) {
+ b->last = (u_char *) ngx_escape_html(last, entry[i].name.data,
+ b->last - last);
+ }
+
+ last = b->last;
+
+ } else {
+ if (entry[i].escape_html) {
+ if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
+ char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3;
+
+ } else {
+ char_len = len;
+ }
+
+ b->last = (u_char *) ngx_escape_html(b->last,
+ entry[i].name.data, char_len);
+ last = b->last;
+
+ } else {
+ b->last = ngx_cpystrn(b->last, entry[i].name.data,
+ NGX_HTTP_AUTOINDEX_NAME_LEN + 1);
+ last = b->last - 3;
+ }
+ }
+
+ if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
+ b->last = ngx_cpymem(last, "..&gt;</a>", sizeof("..&gt;</a>") - 1);
+
+ } else {
+ if (entry[i].dir && NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) {
+ *b->last++ = '/';
+ len++;
+ }
+
+ b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1);
+
+ if (NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) {
+ ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len);
+ b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len;
+ }
+ }
+
+ *b->last++ = ' ';
+
+ ngx_gmtime(entry[i].mtime + tp->gmtoff * 60 * alcf->localtime, &tm);
+
+ b->last = ngx_sprintf(b->last, "%02d-%s-%d %02d:%02d ",
+ tm.ngx_tm_mday,
+ months[tm.ngx_tm_mon - 1],
+ tm.ngx_tm_year,
+ tm.ngx_tm_hour,
+ tm.ngx_tm_min);
+
+ if (alcf->exact_size) {
+ if (entry[i].dir) {
+ b->last = ngx_cpymem(b->last, " -",
+ sizeof(" -") - 1);
+ } else {
+ b->last = ngx_sprintf(b->last, "%19O", entry[i].size);
+ }
+
+ } else {
+ if (entry[i].dir) {
+ b->last = ngx_cpymem(b->last, " -",
+ sizeof(" -") - 1);
+
+ } else {
+ length = entry[i].size;
+
+ if (length > 1024 * 1024 * 1024 - 1) {
+ size = (ngx_int_t) (length / (1024 * 1024 * 1024));
+ if ((length % (1024 * 1024 * 1024))
+ > (1024 * 1024 * 1024 / 2 - 1))
+ {
+ size++;
+ }
+ scale = 'G';
+
+ } else if (length > 1024 * 1024 - 1) {
+ size = (ngx_int_t) (length / (1024 * 1024));
+ if ((length % (1024 * 1024)) > (1024 * 1024 / 2 - 1)) {
+ size++;
+ }
+ scale = 'M';
+
+ } else if (length > 9999) {
+ size = (ngx_int_t) (length / 1024);
+ if (length % 1024 > 511) {
+ size++;
+ }
+ scale = 'K';
+
+ } else {
+ size = (ngx_int_t) length;
+ scale = '\0';
+ }
+
+ if (scale) {
+ b->last = ngx_sprintf(b->last, "%6i%c", size, scale);
+
+ } else {
+ b->last = ngx_sprintf(b->last, " %6i", size);
+ }
+ }
+ }
+
+ *b->last++ = CR;
+ *b->last++ = LF;
+ }
+
+ b->last = ngx_cpymem(b->last, "</pre><hr>", sizeof("</pre><hr>") - 1);
+
+ b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1);
+
+ return b;
+}
+
+
+static ngx_buf_t *
+ngx_http_autoindex_json(ngx_http_request_t *r, ngx_array_t *entries,
+ ngx_str_t *callback)
+{
+ size_t len;
+ ngx_buf_t *b;
+ ngx_uint_t i;
+ ngx_http_autoindex_entry_t *entry;
+
+ len = sizeof("[" CRLF CRLF "]") - 1;
+
+ if (callback) {
+ len += sizeof("/* callback */" CRLF "();") - 1 + callback->len;
+ }
+
+ entry = entries->elts;
+
+ for (i = 0; i < entries->nelts; i++) {
+ entry[i].escape = ngx_escape_json(NULL, entry[i].name.data,
+ entry[i].name.len);
+
+ len += sizeof("{ }," CRLF) - 1
+ + sizeof("\"name\":\"\"") - 1
+ + entry[i].name.len + entry[i].escape
+ + sizeof(", \"type\":\"directory\"") - 1
+ + sizeof(", \"mtime\":\"Wed, 31 Dec 1986 10:00:00 GMT\"") - 1;
+
+ if (entry[i].file) {
+ len += sizeof(", \"size\":") - 1 + NGX_OFF_T_LEN;
+ }
+ }
+
+ b = ngx_create_temp_buf(r->pool, len);
+ if (b == NULL) {
+ return NULL;
+ }
+
+ if (callback) {
+ b->last = ngx_cpymem(b->last, "/* callback */" CRLF,
+ sizeof("/* callback */" CRLF) - 1);
+
+ b->last = ngx_cpymem(b->last, callback->data, callback->len);
+
+ *b->last++ = '(';
+ }
+
+ *b->last++ = '[';
+
+ for (i = 0; i < entries->nelts; i++) {
+ b->last = ngx_cpymem(b->last, CRLF "{ \"name\":\"",
+ sizeof(CRLF "{ \"name\":\"") - 1);
+
+ if (entry[i].escape) {
+ b->last = (u_char *) ngx_escape_json(b->last, entry[i].name.data,
+ entry[i].name.len);
+ } else {
+ b->last = ngx_cpymem(b->last, entry[i].name.data,
+ entry[i].name.len);
+ }
+
+ b->last = ngx_cpymem(b->last, "\", \"type\":\"",
+ sizeof("\", \"type\":\"") - 1);
+
+ if (entry[i].dir) {
+ b->last = ngx_cpymem(b->last, "directory", sizeof("directory") - 1);
+
+ } else if (entry[i].file) {
+ b->last = ngx_cpymem(b->last, "file", sizeof("file") - 1);
+
+ } else {
+ b->last = ngx_cpymem(b->last, "other", sizeof("other") - 1);
+ }
+
+ b->last = ngx_cpymem(b->last, "\", \"mtime\":\"",
+ sizeof("\", \"mtime\":\"") - 1);
+
+ b->last = ngx_http_time(b->last, entry[i].mtime);
+
+ if (entry[i].file) {
+ b->last = ngx_cpymem(b->last, "\", \"size\":",
+ sizeof("\", \"size\":") - 1);
+ b->last = ngx_sprintf(b->last, "%O", entry[i].size);
+
+ } else {
+ *b->last++ = '"';
+ }
+
+ b->last = ngx_cpymem(b->last, " },", sizeof(" },") - 1);
+ }
+
+ if (i > 0) {
+ b->last--; /* strip last comma */
+ }
+
+ b->last = ngx_cpymem(b->last, CRLF "]", sizeof(CRLF "]") - 1);
+
+ if (callback) {
+ *b->last++ = ')'; *b->last++ = ';';
+ }
+
+ return b;
+}
+
+
+static ngx_int_t
+ngx_http_autoindex_jsonp_callback(ngx_http_request_t *r, ngx_str_t *callback)
+{
+ u_char *p, c, ch;
+ ngx_uint_t i;
+
+ if (ngx_http_arg(r, (u_char *) "callback", 8, callback) != NGX_OK) {
+ callback->len = 0;
+ return NGX_OK;
+ }
+
+ if (callback->len > 128) {
+ ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
+ "client sent too long callback name: \"%V\"", callback);
+ return NGX_DECLINED;
+ }
+
+ p = callback->data;
+
+ for (i = 0; i < callback->len; i++) {
+ ch = p[i];
+
+ c = (u_char) (ch | 0x20);
+ if (c >= 'a' && c <= 'z') {
+ continue;
+ }
+
+ if ((ch >= '0' && ch <= '9') || ch == '_' || ch == '.') {
+ continue;
+ }
+
+ ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
+ "client sent invalid callback name: \"%V\"", callback);
+
+ return NGX_DECLINED;
+ }
+
+ return NGX_OK;
+}
+
+
+static ngx_buf_t *
+ngx_http_autoindex_xml(ngx_http_request_t *r, ngx_array_t *entries)
+{
+ size_t len;
+ ngx_tm_t tm;
+ ngx_buf_t *b;
+ ngx_str_t type;
+ ngx_uint_t i;
+ ngx_http_autoindex_entry_t *entry;
+
+ static u_char head[] = "<?xml version=\"1.0\"?>" CRLF "<list>" CRLF;
+ static u_char tail[] = "</list>" CRLF;
+
+ len = sizeof(head) - 1 + sizeof(tail) - 1;
+
+ entry = entries->elts;
+
+ for (i = 0; i < entries->nelts; i++) {
+ entry[i].escape = ngx_escape_html(NULL, entry[i].name.data,
+ entry[i].name.len);
+
+ len += sizeof("<directory></directory>" CRLF) - 1
+ + entry[i].name.len + entry[i].escape
+ + sizeof(" mtime=\"1986-12-31T10:00:00Z\"") - 1;
+
+ if (entry[i].file) {
+ len += sizeof(" size=\"\"") - 1 + NGX_OFF_T_LEN;
+ }
+ }
+
+ b = ngx_create_temp_buf(r->pool, len);
+ if (b == NULL) {
+ return NULL;
+ }
+
+ b->last = ngx_cpymem(b->last, head, sizeof(head) - 1);
+
+ for (i = 0; i < entries->nelts; i++) {
+ *b->last++ = '<';
+
+ if (entry[i].dir) {
+ ngx_str_set(&type, "directory");
+
+ } else if (entry[i].file) {
+ ngx_str_set(&type, "file");
+
+ } else {
+ ngx_str_set(&type, "other");
+ }
+
+ b->last = ngx_cpymem(b->last, type.data, type.len);
+
+ b->last = ngx_cpymem(b->last, " mtime=\"", sizeof(" mtime=\"") - 1);
+
+ ngx_gmtime(entry[i].mtime, &tm);
+
+ b->last = ngx_sprintf(b->last, "%4d-%02d-%02dT%02d:%02d:%02dZ",
+ tm.ngx_tm_year, tm.ngx_tm_mon,
+ tm.ngx_tm_mday, tm.ngx_tm_hour,
+ tm.ngx_tm_min, tm.ngx_tm_sec);
+
+ if (entry[i].file) {
+ b->last = ngx_cpymem(b->last, "\" size=\"",
+ sizeof("\" size=\"") - 1);
+ b->last = ngx_sprintf(b->last, "%O", entry[i].size);
+ }
+
+ *b->last++ = '"'; *b->last++ = '>';
+
+ if (entry[i].escape) {
+ b->last = (u_char *) ngx_escape_html(b->last, entry[i].name.data,
+ entry[i].name.len);
+ } else {
+ b->last = ngx_cpymem(b->last, entry[i].name.data,
+ entry[i].name.len);
+ }
+
+ *b->last++ = '<'; *b->last++ = '/';
+
+ b->last = ngx_cpymem(b->last, type.data, type.len);
+
+ *b->last++ = '>';
+
+ *b->last++ = CR; *b->last++ = LF;
+ }
+
+ b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1);
+
+ return b;
+}
+
+
+static int ngx_libc_cdecl
+ngx_http_autoindex_cmp_entries(const void *one, const void *two)
+{
+ ngx_http_autoindex_entry_t *first = (ngx_http_autoindex_entry_t *) one;
+ ngx_http_autoindex_entry_t *second = (ngx_http_autoindex_entry_t *) two;
+
+ if (first->dir && !second->dir) {
+ /* move the directories to the start */
+ return -1;
+ }
+
+ if (!first->dir && second->dir) {
+ /* move the directories to the start */
+ return 1;
+ }
+
+ return (int) ngx_strcmp(first->name.data, second->name.data);
+}
+
+
+#if 0
+
+static ngx_buf_t *
+ngx_http_autoindex_alloc(ngx_http_autoindex_ctx_t *ctx, size_t size)
+{
+ ngx_chain_t *cl;
+
+ if (ctx->buf) {
+
+ if ((size_t) (ctx->buf->end - ctx->buf->last) >= size) {
+ return ctx->buf;
+ }
+
+ ctx->size += ctx->buf->last - ctx->buf->pos;
+ }
+
+ ctx->buf = ngx_create_temp_buf(ctx->pool, ctx->alloc_size);
+ if (ctx->buf == NULL) {
+ return NULL;
+ }
+
+ cl = ngx_alloc_chain_link(ctx->pool);
+ if (cl == NULL) {
+ return NULL;
+ }
+
+ cl->buf = ctx->buf;
+ cl->next = NULL;
+
+ *ctx->last_out = cl;
+ ctx->last_out = &cl->next;
+
+ return ctx->buf;
+}
+
+#endif
+
+
+static ngx_int_t
+ngx_http_autoindex_error(ngx_http_request_t *r, ngx_dir_t *dir, ngx_str_t *name)
+{
+ if (ngx_close_dir(dir) == NGX_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
+ ngx_close_dir_n " \"%V\" failed", name);
+ }
+
+ return r->header_sent ? NGX_ERROR : NGX_HTTP_INTERNAL_SERVER_ERROR;
+}
+
+
+static void *
+ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf)
+{
+ ngx_http_autoindex_loc_conf_t *conf;
+
+ conf = ngx_palloc(cf->pool, sizeof(ngx_http_autoindex_loc_conf_t));
+ if (conf == NULL) {
+ return NULL;
+ }
+
+ conf->enable = NGX_CONF_UNSET;
+ conf->format = NGX_CONF_UNSET_UINT;
+ conf->localtime = NGX_CONF_UNSET;
+ conf->exact_size = NGX_CONF_UNSET;
+
+ return conf;
+}
+
+
+static char *
+ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
+{
+ ngx_http_autoindex_loc_conf_t *prev = parent;
+ ngx_http_autoindex_loc_conf_t *conf = child;
+
+ ngx_conf_merge_value(conf->enable, prev->enable, 0);
+ ngx_conf_merge_uint_value(conf->format, prev->format,
+ NGX_HTTP_AUTOINDEX_HTML);
+ ngx_conf_merge_value(conf->localtime, prev->localtime, 0);
+ ngx_conf_merge_value(conf->exact_size, prev->exact_size, 1);
+
+ return NGX_CONF_OK;
+}
+
+
+static ngx_int_t
+ngx_http_autoindex_init(ngx_conf_t *cf)
+{
+ ngx_http_handler_pt *h;
+ ngx_http_core_main_conf_t *cmcf;
+
+ cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
+
+ h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
+ if (h == NULL) {
+ return NGX_ERROR;
+ }
+
+ *h = ngx_http_autoindex_handler;
+
+ return NGX_OK;
+}