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-rw-r--r--www/git.causal.agency/cgit/ui-snapshot.c319
1 files changed, 0 insertions, 319 deletions
diff --git a/www/git.causal.agency/cgit/ui-snapshot.c b/www/git.causal.agency/cgit/ui-snapshot.c
deleted file mode 100644
index 28013935..00000000
--- a/www/git.causal.agency/cgit/ui-snapshot.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/* ui-snapshot.c: generate snapshot of a commit
- *
- * 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-snapshot.h"
-#include "html.h"
-#include "ui-shared.h"
-
-static int write_archive_type(const char *format, const char *hex, const char *prefix)
-{
-	struct strvec argv = STRVEC_INIT;
-	const char **nargv;
-	int result;
-	strvec_push(&argv, "snapshot");
-	strvec_push(&argv, format);
-	if (prefix) {
-		struct strbuf buf = STRBUF_INIT;
-		strbuf_addstr(&buf, prefix);
-		strbuf_addch(&buf, '/');
-		strvec_push(&argv, "--prefix");
-		strvec_push(&argv, buf.buf);
-		strbuf_release(&buf);
-	}
-	strvec_push(&argv, hex);
-	/*
-	 * Now we need to copy the pointers to arguments into a new
-	 * structure because write_archive will rearrange its arguments
-	 * which may result in duplicated/missing entries causing leaks
-	 * or double-frees in strvec_clear.
-	 */
-	nargv = xmalloc(sizeof(char *) * (argv.nr + 1));
-	/* strvec guarantees a trailing NULL entry. */
-	memcpy(nargv, argv.v, sizeof(char *) * (argv.nr + 1));
-
-	if (fflush(stdout))
-		return errno;
-
-	result = write_archive(argv.nr, nargv, NULL, the_repository, NULL, 0);
-	strvec_clear(&argv);
-	free(nargv);
-	return result;
-}
-
-static int write_tar_archive(const char *hex, const char *prefix)
-{
-	return write_archive_type("--format=tar", hex, prefix);
-}
-
-static int write_zip_archive(const char *hex, const char *prefix)
-{
-	return write_archive_type("--format=zip", hex, prefix);
-}
-
-static int write_compressed_tar_archive(const char *hex,
-					const char *prefix,
-					char *filter_argv[])
-{
-	int rv;
-	struct cgit_exec_filter f;
-	cgit_exec_filter_init(&f, filter_argv[0], filter_argv);
-
-	cgit_open_filter(&f.base);
-	rv = write_tar_archive(hex, prefix);
-	cgit_close_filter(&f.base);
-	return rv;
-}
-
-static int write_tar_gzip_archive(const char *hex, const char *prefix)
-{
-	char *argv[] = { "gzip", "-n", NULL };
-	return write_compressed_tar_archive(hex, prefix, argv);
-}
-
-static int write_tar_bzip2_archive(const char *hex, const char *prefix)
-{
-	char *argv[] = { "bzip2", NULL };
-	return write_compressed_tar_archive(hex, prefix, argv);
-}
-
-static int write_tar_lzip_archive(const char *hex, const char *prefix)
-{
-	char *argv[] = { "lzip", NULL };
-	return write_compressed_tar_archive(hex, prefix, argv);
-}
-
-static int write_tar_xz_archive(const char *hex, const char *prefix)
-{
-	char *argv[] = { "xz", NULL };
-	return write_compressed_tar_archive(hex, prefix, argv);
-}
-
-static int write_tar_zstd_archive(const char *hex, const char *prefix)
-{
-	char *argv[] = { "zstd", "-T0", NULL };
-	return write_compressed_tar_archive(hex, prefix, argv);
-}
-
-const struct cgit_snapshot_format cgit_snapshot_formats[] = {
-	/* .tar must remain the 0 index */
-	{ ".tar",	"application/x-tar",	write_tar_archive	},
-	{ ".tar.gz",	"application/x-gzip",	write_tar_gzip_archive	},
-	{ ".tar.bz2",	"application/x-bzip2",	write_tar_bzip2_archive	},
-	{ ".tar.lz",	"application/x-lzip",	write_tar_lzip_archive	},
-	{ ".tar.xz",	"application/x-xz",	write_tar_xz_archive	},
-	{ ".tar.zst",	"application/x-zstd",	write_tar_zstd_archive	},
-	{ ".zip",	"application/x-zip",	write_zip_archive	},
-	{ NULL }
-};
-
-static struct notes_tree snapshot_sig_notes[ARRAY_SIZE(cgit_snapshot_formats)];
-
-const struct object_id *cgit_snapshot_get_sig(const char *ref,
-					      const struct cgit_snapshot_format *f)
-{
-	struct notes_tree *tree;
-	struct object_id oid;
-
-	if (get_oid(ref, &oid))
-		return NULL;
-
-	tree = &snapshot_sig_notes[f - &cgit_snapshot_formats[0]];
-	if (!tree->initialized) {
-		struct strbuf notes_ref = STRBUF_INIT;
-
-		strbuf_addf(&notes_ref, "refs/notes/signatures/%s",
-			    f->suffix + 1);
-
-		init_notes(tree, notes_ref.buf, combine_notes_ignore, 0);
-		strbuf_release(&notes_ref);
-	}
-
-	return get_note(tree, &oid);
-}
-
-static const struct cgit_snapshot_format *get_format(const char *filename)
-{
-	const struct cgit_snapshot_format *fmt;
-
-	for (fmt = cgit_snapshot_formats; fmt->suffix; fmt++) {
-		if (ends_with(filename, fmt->suffix))
-			return fmt;
-	}
-	return NULL;
-}
-
-const unsigned cgit_snapshot_format_bit(const struct cgit_snapshot_format *f)
-{
-	return BIT(f - &cgit_snapshot_formats[0]);
-}
-
-static int make_snapshot(const struct cgit_snapshot_format *format,
-			 const char *hex, const char *prefix,
-			 const char *filename)
-{
-	struct object_id oid;
-
-	if (get_oid(hex, &oid)) {
-		cgit_print_error_page(404, "Not found",
-				"Bad object id: %s", hex);
-		return 1;
-	}
-	if (!lookup_commit_reference(the_repository, &oid)) {
-		cgit_print_error_page(400, "Bad request",
-				"Not a commit reference: %s", hex);
-		return 1;
-	}
-	ctx.page.etag = oid_to_hex(&oid);
-	ctx.page.mimetype = xstrdup(format->mimetype);
-	ctx.page.filename = xstrdup(filename);
-	cgit_print_http_headers();
-	init_archivers();
-	format->write_func(hex, prefix);
-	return 0;
-}
-
-static int write_sig(const struct cgit_snapshot_format *format,
-		     const char *hex, const char *archive,
-		     const char *filename)
-{
-	const struct object_id *note = cgit_snapshot_get_sig(hex, format);
-	enum object_type type;
-	unsigned long size;
-	char *buf;
-
-	if (!note) {
-		cgit_print_error_page(404, "Not found",
-				"No signature for %s", archive);
-		return 0;
-	}
-
-	buf = read_object_file(note, &type, &size);
-	if (!buf) {
-		cgit_print_error_page(404, "Not found", "Not found");
-		return 0;
-	}
-
-	html("X-Content-Type-Options: nosniff\n");
-	html("Content-Security-Policy: default-src 'none'\n");
-	ctx.page.etag = oid_to_hex(note);
-	ctx.page.mimetype = xstrdup("application/pgp-signature");
-	ctx.page.filename = xstrdup(filename);
-	cgit_print_http_headers();
-
-	html_raw(buf, size);
-	free(buf);
-	return 0;
-}
-
-/* Try to guess the requested revision from the requested snapshot name.
- * First the format extension is stripped, e.g. "cgit-0.7.2.tar.gz" become
- * "cgit-0.7.2". If this is a valid commit object name we've got a winner.
- * Otherwise, if the snapshot name has a prefix matching the result from
- * repo_basename(), we strip the basename and any following '-' and '_'
- * characters ("cgit-0.7.2" -> "0.7.2") and check the resulting name once
- * more. If this still isn't a valid commit object name, we check if pre-
- * pending a 'v' or a 'V' to the remaining snapshot name ("0.7.2" ->
- * "v0.7.2") gives us something valid.
- */
-static const char *get_ref_from_filename(const struct cgit_repo *repo,
-					 const char *filename,
-					 const struct cgit_snapshot_format *format)
-{
-	const char *reponame;
-	struct object_id oid;
-	struct strbuf snapshot = STRBUF_INIT;
-	int result = 1;
-
-	strbuf_addstr(&snapshot, filename);
-	strbuf_setlen(&snapshot, snapshot.len - strlen(format->suffix));
-
-	if (get_oid(snapshot.buf, &oid) == 0)
-		goto out;
-
-	reponame = cgit_snapshot_prefix(repo);
-	if (starts_with(snapshot.buf, reponame)) {
-		const char *new_start = snapshot.buf;
-		new_start += strlen(reponame);
-		while (new_start && (*new_start == '-' || *new_start == '_'))
-			new_start++;
-		strbuf_splice(&snapshot, 0, new_start - snapshot.buf, "", 0);
-	}
-
-	if (get_oid(snapshot.buf, &oid) == 0)
-		goto out;
-
-	strbuf_insert(&snapshot, 0, "v", 1);
-	if (get_oid(snapshot.buf, &oid) == 0)
-		goto out;
-
-	strbuf_splice(&snapshot, 0, 1, "V", 1);
-	if (get_oid(snapshot.buf, &oid) == 0)
-		goto out;
-
-	result = 0;
-	strbuf_release(&snapshot);
-
-out:
-	return result ? strbuf_detach(&snapshot, NULL) : NULL;
-}
-
-void cgit_print_snapshot(const char *head, const char *hex,
-			 const char *filename, int dwim)
-{
-	const struct cgit_snapshot_format* f;
-	const char *sig_filename = NULL;
-	char *adj_filename = NULL;
-	char *prefix = NULL;
-
-	if (!filename) {
-		cgit_print_error_page(400, "Bad request",
-				"No snapshot name specified");
-		return;
-	}
-
-	if (ends_with(filename, ".asc")) {
-		sig_filename = filename;
-
-		/* Strip ".asc" from filename for common format processing */
-		adj_filename = xstrdup(filename);
-		adj_filename[strlen(adj_filename) - 4] = '\0';
-		filename = adj_filename;
-	}
-
-	f = get_format(filename);
-	if (!f || (!sig_filename && !(ctx.repo->snapshots & cgit_snapshot_format_bit(f)))) {
-		cgit_print_error_page(400, "Bad request",
-				"Unsupported snapshot format: %s", filename);
-		return;
-	}
-
-	if (!hex && dwim) {
-		hex = get_ref_from_filename(ctx.repo, filename, f);
-		if (hex == NULL) {
-			cgit_print_error_page(404, "Not found", "Not found");
-			return;
-		}
-		prefix = xstrdup(filename);
-		prefix[strlen(filename) - strlen(f->suffix)] = '\0';
-	}
-
-	if (!hex)
-		hex = head;
-
-	if (!prefix)
-		prefix = xstrdup(cgit_snapshot_prefix(ctx.repo));
-
-	if (sig_filename)
-		write_sig(f, hex, filename, sig_filename);
-	else
-		make_snapshot(f, hex, prefix, filename);
-
-	free(prefix);
-	free(adj_filename);
-}
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-10 05:15:35 +0000