ui-plain.c


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pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long *//* ui-blob.c: show blob content
 *
 * Copyright (C) 2008 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "html.h"
#include "ui-shared.h"

static char pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long *//* ui-plain.c: functions for output of plain blobs by path
 *
 * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "ui-plain.h"
#include "html.h"
#include "ui-shared.h"

struct walk_tree_context {
	int match_baselen;
	int match;
};

static char *get_mimetype_from_file(const char *filename, const char *ext)
{
	static const char *delimiters;
	char *result;
	FILE *fd;
	char line[1024];
	char *mimetype;
	char *token;

	if (!filename)
		return NULL;

	fd = fopen(filename, "r");
	if (!fd)
		return NULL;

	delimiters = " \t\r\n";
	result = NULL;

	/* loop over all lines in the file */
	while (!result && fgets(line, sizeof(line), fd)) {
		mimetype = strtok(line, delimiters);

		/* skip empty lines and comment lines */
		if (!mimetype || (mimetype[0] == '#'))
			continue;

		/* loop over all extensions of mimetype */
		while ((token = strtok(NULL, delimiters))) {
			if (!strcasecmp(ext, token)) {
				result = xstrdup(mimetype);
				break;
			}
		}
	}
	fclose(fd);

	return result;
}

static int print_object(const unsigned char *sha1, const char *path)
{
	enum object_type type;
	char *buf, *ext;
	unsigned long size;
	struct string_list_item *mime;
	int freemime;

	type = sha1_object_info(sha1, &size);
	if (type == OBJ_BAD) {
		cgit_print_error_page(404, "Not found", "Not found");
		return 0;
	}

	buf = read_sha1_file(sha1, &type, &size);
	if (!buf) {
		cgit_print_error_page(404, "Not found", "Not found");
		return 0;
	}
	ctx.page.mimetype = NULL;
	ext = strrchr(path, '.');
	freemime = 0;
	if (ext && *(++ext)) {
		mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
		if (mime) {
			ctx.page.mimetype = (char *)mime->util;
			ctx.page.charset = NULL;
		} else {
			ctx.page.mimetype = get_mimetype_from_file(ctx.cfg.mimetype_file, ext);
			if (ctx.page.mimetype) {
				freemime = 1;
				ctx.page.charset = NULL;
			}
		}
	}
	if (!ctx.page.mimetype) {
		if (buffer_is_binary(buf, size)) {
			ctx.page.mimetype = "application/octet-stream";
			ctx.page.charset = NULL;
		} else {
			ctx.page.mimetype = "text/plain";
		}
	}
	ctx.page.filename = path;
	ctx.page.size = size;
	ctx.page.etag = sha1_to_hex(sha1);
	cgit_print_http_headers();
	html_raw(buf, size);
	/* If we allocated this, then casting away const is safe. */
	if (freemime)
		free((char*) ctx.page.mimetype);
	return 1;
}

static char *buildpath(const char *base, int baselen, const char *path)
{
	if (path[0])
		return fmtalloc("%.*s%s/", baselen, base, path);
	else
		return fmtalloc("%.*s/", baselen, base);
}

static void print_dir(const unsigned char *sha1, const char *base,
		      int baselen, const char *path)
{
	char *fullpath, *slash;
	size_t len;

	fullpath = buildpath(base, baselen, path);
	slash = (fullpath[0] == '/' ? "" : "/");
	ctx.page.etag = sha1_to_hex(sha1);
	cgit_print_http_headers();
	htmlf("<html><head><title>%s", slash);
	html_txt(fullpath);
	htmlf("</title></head>\n<body>\n<h2>%s", slash);
	html_txt(fullpath);
	html("</h2>\n<ul>\n");
	len = strlen(fullpath);
	if (len > 1) {
		fullpath[len - 1] = 0;
		slash = strrchr(fullpath, '/');
		if (slash)
			*(slash + 1) = 0;
		else
			fullpath = NULL;
		html("<li>");
		cgit_plain_link("../", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
				fullpath);
		html("</li>\n");
	}
	free(fullpath);
}

static void print_dir_entry(const unsigned char *sha1, const char *base,
			    int baselen, const char *path, unsigned mode)
{
	char *fullpath;

	fullpath = buildpath(base, baselen, path);
	if (!S_ISDIR(mode) && !S_ISGITLINK(mode))
		fullpath[strlen(fullpath) - 1] = 0;
	html("  <li>");
	if (S_ISGITLINK(mode)) {
		cgit_submodule_link(NULL, fullpath, sha1_to_hex(sha1));
	} else
		cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
				fullpath);
	html("</li>\n");
	free(fullpath);
}

static void print_dir_tail(void)
{
	html(" </ul>\n</body></html>\n");
}

static int walk_tree(const unsigned char *sha1, struct strbuf *base,
		const char *pathname, unsigned mode, int stage, void *cbdata)
{
	struct walk_tree_context *walk_tree_ctx = cbdata;

	if (base->len == walk_tree_ctx->match_baselen) {
		if (S_ISREG(mode)) {
			if (print_object(sha1, pathname))
				walk_tree_ctx->match = 1;
		} else if (S_ISDIR(mode)) {
			print_dir(sha1, base->buf, base->len, pathname);
			walk_tree_ctx->match = 2;
			return READ_TREE_RECURSIVE;
		}
	} else if (base->len > walk_tree_ctx->match_baselen) {
		print_dir_entry(sha1, base->buf, base->len, pathname, mode);
		walk_tree_ctx->match = 2;
	} else if (S_ISDIR(mode)) {
		return READ_TREE_RECURSIVE;
	}

	return 0;
}

static int basedir_len(const char *path)
{
	char *p = strrchr(path, '/');
	if (p)
		return p - path + 1;
	return 0;
}

void cgit_print_plain(void)
{
	const char *rev = ctx.qry.sha1;
	unsigned char sha1[20];
	struct commit *commit;
	struct pathspec_item path_items = {
		.match = ctx.qry.path,
		.len = ctx.qry.path ? strlen(ctx.qry.path) : 0
	};
	struct pathspec paths = {
		.nr = 1,
		.items = &path_items
	};
	struct walk_tree_context walk_tree_ctx = {
		.match = 0
	};

	if (!rev)
		rev = ctx.qry.head;

	if (get_sha1(rev, sha1)) {
		cgit_print_error_page(404, "Not found", "Not found");
		return;
	}
	commit = lookup_commit_reference(sha1);
	if (!commit || parse_commit(commit)) {
		cgit_print_error_page(404, "Not found", "Not found");
		return;
	}
	if (!path_items.match) {
		path_items.match = "";
		walk_tree_ctx.match_baselen = -1;
		print_dir(commit->tree->object.sha1, "", 0, "");
		walk_tree_ctx.match = 2;
	}
	else
		walk_tree_ctx.match_baselen = basedir_len(path_items.match);
	read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
	if (!walk_tree_ctx.match)
		cgit_print_error_page(404, "Not found", "Not found");
	else if (walk_tree_ctx.match == 2)
		print_dir_tail();
}