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Patch for autoindex module: css file

ubitux
May 12, 2010 06:36PM
Hi,

I was trying to customize a little the dir listing html output, but I
didn't find any way to do that instead of hardcoding html/css in the
module source. So here is a patch which allows you to specify a "css file"
that will be appended in the header if set.

I didn't find any repository or special devel mailing list, so the patch
is based on the stable version, with a diff -u, 'hope it will be fine.

Also, as I just opened for the first time the nginx source code a few
hours ago, I may not use as well as expected the string helpers & co...

Please let me know what you think about this patch,

Regards,

--
ubitux
--- nginx-0.8.36/src/http/modules/ngx_http_autoindex_module.c 2009-06-02 18:09:44.000000000 +0200
+++ nginx-0.8.36/src/http/modules/ngx_http_autoindex_module.c 2010-05-13 00:22:06.132103745 +0200
@@ -39,6 +39,7 @@
ngx_flag_t enable;
ngx_flag_t localtime;
ngx_flag_t exact_size;
+ ngx_str_t css_file;
} ngx_http_autoindex_loc_conf_t;


@@ -80,6 +81,13 @@
offsetof(ngx_http_autoindex_loc_conf_t, exact_size),
NULL },

+ { ngx_string("autoindex_css_file"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_str_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_autoindex_loc_conf_t, css_file),
+ NULL },
+
ngx_null_command
};

@@ -120,10 +128,34 @@
"<head><title>Index of "
;

+static u_char title_pre_css[] =
+"<html>" CRLF
+"<head><link rel=\"stylesheet\" type=\"text/css\" href=\""
+;
+
+static u_char title_post_css[] =
+"\" /><title>Index of "
+;
+
+static ngx_str_t
+get_title_with_css(ngx_str_t *css_file)
+{
+ ngx_str_t title;
+
+ title.len = sizeof(title_pre_css) + css_file->len + sizeof(title_post_css);
+ title.data = ngx_alloc(title.len + 1, ngx_cycle->log);
+
+ if (title.data == NULL) {
+ title.len = 0;
+ return title;
+ }
+
+ ngx_sprintf(title.data, "%s%s%s", title_pre_css, css_file->data, title_post_css);
+ return title;
+}

static u_char header[] =
"</title></head>" CRLF
-"<body bgcolor=\"white\">" CRLF
"<h1>Index of "
;

@@ -132,7 +164,6 @@
"</html>" CRLF
;

-
static ngx_int_t
ngx_http_autoindex_handler(ngx_http_request_t *r)
{
@@ -143,7 +174,7 @@
ngx_err_t err;
ngx_buf_t *b;
ngx_int_t rc, size;
- ngx_str_t path;
+ ngx_str_t path, title_to_use;
ngx_dir_t dir;
ngx_uint_t i, level, utf8;
ngx_pool_t *pool;
@@ -363,7 +394,18 @@
ngx_close_dir_n " \"%s\" failed", &path);
}

- len = sizeof(title) - 1
+ title_to_use.len = 0;
+ title_to_use.data = NULL;
+
+ if (alcf->css_file.len)
+ title_to_use = get_title_with_css(&alcf->css_file);
+
+ if (title_to_use.len == 0) { /* No css_file specified or alloc failure */
+ title_to_use.data = title;
+ title_to_use.len = sizeof(title) - 1;
+ }
+
+ len = title_to_use.len
+ r->uri.len
+ sizeof(header) - 1
+ r->uri.len
@@ -397,7 +439,7 @@
ngx_http_autoindex_cmp_entries);
}

- b->last = ngx_cpymem(b->last, title, sizeof(title) - 1);
+ b->last = ngx_cpymem(b->last, title_to_use.data, title_to_use.len);
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);
@@ -638,6 +680,8 @@
conf->enable = NGX_CONF_UNSET;
conf->localtime = NGX_CONF_UNSET;
conf->exact_size = NGX_CONF_UNSET;
+ conf->css_file.len = 0;
+ conf->css_file.data = NULL;

return conf;
}
@@ -652,6 +696,7 @@
ngx_conf_merge_value(conf->enable, prev->enable, 0);
ngx_conf_merge_value(conf->localtime, prev->localtime, 0);
ngx_conf_merge_value(conf->exact_size, prev->exact_size, 1);
+ ngx_conf_merge_str_value(conf->css_file, prev->css_file, "");

return NGX_CONF_OK;
}
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Subject Author Posted

Patch for autoindex module: css file

ubitux May 12, 2010 06:36PM

Re: Patch for autoindex module: css file

ubitux May 17, 2010 03:34AM



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