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author | kx <kx@radix.pro> | 2023-03-24 03:51:10 +0300 |
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committer | kx <kx@radix.pro> | 2023-03-24 03:51:10 +0300 |
commit | 05d292b208dfe01324826b4c87bbc4da3389a0d5 (patch) | |
tree | b10a2269e9320785f3b61189e75f6778fa167986 /cgitcgi/ui-file.c | |
parent | 40ab18a661ff6ada40e73969be293918d346a2f5 (diff) | |
download | cgit-ui-05d292b208dfe01324826b4c87bbc4da3389a0d5.tar.xz |
Version 0.1.7
Diffstat (limited to 'cgitcgi/ui-file.c')
-rw-r--r-- | cgitcgi/ui-file.c | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/cgitcgi/ui-file.c b/cgitcgi/ui-file.c new file mode 100644 index 0000000..bf335b3 --- /dev/null +++ b/cgitcgi/ui-file.c @@ -0,0 +1,369 @@ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdlib.h> +#include <stdio.h> +#include <sys/sysinfo.h> +#include <sys/types.h> +#ifdef HAVE_INTTYPES_H +#include <inttypes.h> +#else +#include <stdint.h> +#endif +#include <stddef.h> /* offsetof(3) */ +#include <dirent.h> +#include <sys/stat.h> /* chmod(2) */ +#include <sys/file.h> +#include <sys/mman.h> +#include <fcntl.h> +#include <limits.h> +#include <string.h> /* strdup(3) */ +#include <libgen.h> /* basename(3) */ +#include <ctype.h> /* tolower(3) */ +#include <errno.h> +#include <time.h> +#include <sys/time.h> +#include <pwd.h> +#include <grp.h> +#include <stdarg.h> +#include <locale.h> +#include <unistd.h> + +#include <md4c.h> +#include <md4c-html.h> + +#include <git2.h> + +#include <nls.h> + +#include <defs.h> + +#include <fatal.h> +#include <http.h> +#include <html.h> + +#include <dlist.h> +#include <strbuf.h> +#include <repolist.h> +#include <wrapper.h> +#include <system.h> +#include <date.h> + +#include <ctx.h> +#include <git-shared.h> +#include <ui-shared.h> + + +static void cgit_print_file_links( struct strbuf *sb, const char *relative_path, const char *revision, int top ) +{ + const char *query_string = NULL; + const char *place = NULL; + + if( !sb || !relative_path ) return; + + if( top ) + place = "top"; + else + place = "bottom"; + + strbuf_addf( sb, "<div class=\"%s file-links-menu\">\n", place ); + strbuf_addf( sb, " <div class=\"right links-menu\">\n" ); + + query_string = ctx_remove_query_param( ctx.env.query_string, "rev" ); + query_string = ctx_remove_query_param( query_string, "op" ); + + if( query_string && *query_string ) + { + strbuf_addf( sb, " <div class=\"item\"><span class=\"icon las la-scroll\"></span><a href=\"/%s/%s/?op=log&rev=%s&%s\">log</a></div>\n", ctx.repo.name, relative_path, revision, query_string ); + strbuf_addf( sb, " <div class=\"item\"><span class=\"icon las la-diff\"></span><a href=\"/%s/%s/?op=diff&rev=%s&%s\">diff</a></div>\n", ctx.repo.name, relative_path, revision, query_string ); + strbuf_addf( sb, " <div class=\"item\"><span class=\"icon las la-blame\"></span><a href=\"/%s/%s/?op=blame&rev=%s&%s\">blame</a></div>\n", ctx.repo.name, relative_path, revision, query_string ); + } + else + { + strbuf_addf( sb, " <div class=\"item\"><span class=\"icon las la-scroll\"></span><a href=\"/%s/%s/?op=log&rev=%s\">log</a></div>\n", ctx.repo.name, relative_path, revision ); + strbuf_addf( sb, " <div class=\"item\"><span class=\"icon las la-diff\"></span><a href=\"/%s/%s/?op=diff&rev=%s\">diff</a></div>\n", ctx.repo.name, relative_path, revision ); + strbuf_addf( sb, " <div class=\"item\"><span class=\"icon las la-blame\"></span><a href=\"/%s/%s/?op=blame&rev=%s\">blame</a></div>\n", ctx.repo.name, relative_path, revision ); + } + + strbuf_addf( sb, " </div>\n" ); + strbuf_addf( sb, "</div>\n" ); +} + + +static void process_markdown_output( const MD_CHAR *text, MD_SIZE size, void *sb ) +{ + strbuf_add( (struct strbuf *)sb, (const void *)text, (size_t)size ); +} + +static int cgit_write_markdown_content( struct strbuf *sb, const struct strbuf *input ) +{ + unsigned parser_flags = MD_DIALECT_GITHUB; /* | MD_DIALECT_COMMONMARK */ + unsigned renderer_flags = MD_FLAG_WIKILINKS; /* | MD_HTML_FLAG_DEBUG */ + + /********************************* + md_html() returns 0 on success: + */ + return md_html( input->buf, input->len, process_markdown_output, + (void *)sb, parser_flags, renderer_flags ); +} + + +static void cgit_print_file( struct strbuf *sb, const char *relative_path, const char *revision ) +{ + struct cgit_info info; + + if( !sb || !relative_path ) return; + + if( revision && strcmp( revision, (const char *)&ctx.repo.relative_info.revision[0] ) ) + { + cgit_rpath_info( &info, relative_path, revision ); + if( info.kind != GIT_OBJECT_BLOB ) + { + strbuf_addf( sb, " <h1>Requested resource cannot be shown</h1>\n" ); + strbuf_addf( sb, " <p class='leading'>File with specified revision '%s' cannot be shown.</p>\n", revision ); + return; + } + } + else + { + memcpy( (void *)&info, (void *)&ctx.repo.relative_info, sizeof( struct cgit_info ) ); + } + + cgit_print_file_links( sb, relative_path, (const char *)&info.revision[0], 1 ); + + if( info.lang ) + { + if( !strcmp( info.lang, "Markdown" ) ) + strbuf_addstr( sb, "<div class='markdown-content'>" ); + else + strbuf_addf( sb, "<pre><code class='language-%s'>", info.lang ); + } + else + strbuf_addstr( sb, "<pre><code class='highlight'>" ); + + if( info.kind == GIT_OBJECT_BLOB ) + { + git_repository *repo = NULL; + git_blob *blob = NULL; + git_oid oid; + /* git_off_t rawsize = 0; */ + const char *rawcontent = NULL; + + if( git_oid_fromstr( &oid, (const char *)&info.oid[0] ) < 0 ) + { + if( info.lang && !strcmp( info.lang, "Markdown" ) ) + strbuf_addstr( sb, "\n</div> <!-- End of Markdown Content -->\n" ); + else + strbuf_addstr( sb, "\n</code></pre>\n" ); + + cgit_print_file_links( sb, relative_path, (const char *)&info.revision[0], 0 ); + return; + } + + if( !(repo = cgit_open_repository()) ) + { + if( info.lang && !strcmp( info.lang, "Markdown" ) ) + strbuf_addstr( sb, "\n</div> <!-- End of Markdown Content -->\n" ); + else + strbuf_addstr( sb, "\n</code></pre>\n" ); + + cgit_print_file_links( sb, relative_path, (const char *)&info.revision[0], 0 ); + return; + } + + if( git_blob_lookup( &blob, repo, &oid ) < 0 ) + { + close_repository( repo ); + + if( info.lang && !strcmp( info.lang, "Markdown" ) ) + strbuf_addstr( sb, "\n</div> <!-- End of Markdown Content -->\n" ); + else + strbuf_addstr( sb, "\n</code></pre>\n" ); + + cgit_print_file_links( sb, relative_path, (const char *)&info.revision[0], 0 ); + return; + } + + /* rawsize = git_blob_rawsize( blob ); */ + rawcontent = (const char *)git_blob_rawcontent( blob ); + + if( !git_blob_is_binary( blob ) && rawcontent && *rawcontent ) + { + struct strbuf buf = STRBUF_INIT; + + if( info.lang && !strcmp( info.lang, "Markdown" ) ) + { + strbuf_addstr( &buf, (const char *)rawcontent ); + (void)cgit_write_markdown_content( sb, (const struct strbuf *)&buf ); + strbuf_release( &buf ); + } + else + { + strbuf_addstr_xml_quoted( &buf, (const char *)rawcontent ); + strbuf_addbuf( sb, (const struct strbuf *)&buf ); + strbuf_release( &buf ); + } + } + else + { + git_blob_free( blob ); + close_repository( repo ); + + if( info.lang && !strcmp( info.lang, "Markdown" ) ) + strbuf_addstr( sb, "\n</div> <!-- End of Markdown Content -->\n" ); + else + strbuf_addstr( sb, "\n</code></pre>\n" ); + + cgit_print_file_links( sb, relative_path, (const char *)&info.revision[0], 0 ); + return; + } + + git_blob_free( blob ); + close_repository( repo ); + } + + if( info.lang && !strcmp( info.lang, "Markdown" ) ) + strbuf_addstr( sb, "\n</div> <!-- End of Markdown Content -->\n" ); + else + strbuf_addstr( sb, "\n</code></pre>\n" ); + + cgit_print_file_links( sb, relative_path, (const char *)&info.revision[0], 0 ); + + return; +} + +static void cgit_print_image_file( struct strbuf *sb, const char *relative_path, const char *revision ) +{ + struct cgit_info info; + + if( !sb || !relative_path ) return; + + if( revision && strcmp( revision, (const char *)&ctx.repo.relative_info.revision[0] ) ) + { + cgit_rpath_info( &info, relative_path, revision ); + if( info.kind != GIT_OBJECT_BLOB ) + { + strbuf_addf( sb, " <h1>Invalid Revision</h1>\n" ); + strbuf_addf( sb, " <p class='leading'>File with specified revision '%s' cannot be shown.</p>\n", revision ); + return; + } + } + else + { + memcpy( (void *)&info, (void *)&ctx.repo.relative_info, sizeof( struct cgit_info ) ); + } + + if( info.kind == GIT_OBJECT_BLOB ) + { + git_repository *repo = NULL; + git_blob *blob = NULL; + git_oid oid; + git_off_t rawsize = 0; + const char *rawcontent = NULL; + + if( git_oid_fromstr( &oid, (const char *)&info.oid[0] ) < 0 ) return; + if( !(repo = cgit_open_repository()) ) return; + + if( git_blob_lookup( &blob, repo, &oid ) < 0 ) + { + close_repository( repo ); + return; + } + + rawsize = git_blob_rawsize( blob ); + rawcontent = (const char *)git_blob_rawcontent( blob ); + + if( rawcontent && *rawcontent ) + { + struct strbuf buf = STRBUF_INIT; + + strbuf_add( &buf, (const void *)rawcontent, (size_t)rawsize ); + + git_blob_free( blob ); + close_repository( repo ); + + /**************************************************** + This call should terminate the program on success: + */ + cgit_print_raw_file( &buf, info.mime ); + + strbuf_release( &buf ); + } + else + { + git_blob_free( blob ); + close_repository( repo ); + return; + } + + git_blob_free( blob ); + close_repository( repo ); + } + + return; +} + +void cgit_print_file_page( void ) +{ + FILE *fp; + struct strbuf buf = STRBUF_INIT; + + fp = xfopen( ctx.page.header, "r" ); + (void)strbuf_env_fread( &buf, fp ); + fclose( fp ); + + strbuf_addf( &buf, " <div class=\"content segment\">\n" ); + strbuf_addf( &buf, " <div class=\"container\">\n" ); + strbuf_addf( &buf, " <div class=\"cgit-main-content\">\n" ); + + if( ctx.repo.relative_info.kind == GIT_OBJECT_BLOB ) + { + if( !strncmp( ctx.repo.relative_info.mime, "text/", 5 ) ) + { + if( ctx.repo.name ) + { + cgit_print_file( &buf, ctx.repo.relative_path, (!strcmp( ctx.query.rev, "0" )) ? (const char *)&ctx.repo.relative_info.revision[0] : ctx.query.rev ); + } + else + { + strbuf_addf( &buf, " <h1>Requested resource cannot be shown</h1>\n" ); + strbuf_addf( &buf, " <p class='leading'>Repository '%s' not found.</p>\n", ctx.repo.name ); + } + } + else if( !strncmp( ctx.repo.relative_info.mime, "image/", 6 ) ) + { + /**************************************************** + This call should terminate the program on success: + */ + cgit_print_image_file( &buf, ctx.repo.relative_path, (!strcmp( ctx.query.rev, "0" )) ? (const char *)&ctx.repo.relative_info.revision[0] : ctx.query.rev ); + + strbuf_addf( &buf, " <h1>Requested file cannot be shown</h1>\n" ); + strbuf_addf( &buf, " <p class='leading'>Files with mime type such as '%s' cannot be present.</p>\n", ctx.repo.relative_info.mime ); + } + else + { + strbuf_addf( &buf, " <h1>Requested file cannot be shown</h1>\n" ); + strbuf_addf( &buf, " <p class='leading'>Files with mime type such as '%s' cannot be present.</p>\n", ctx.repo.relative_info.mime ); + } + } + else + { + strbuf_addf( &buf, " <h1>Requested resource cannot be shown</h1>\n" ); + strbuf_addf( &buf, " <p class='leading'>This page assume plain text files to be present.</p>\n" ); + } + + strbuf_addf( &buf, " </div> <!-- End of cgit-main-content -->\n" ); + strbuf_addf( &buf, " </div> <!-- End of container -->\n" ); + strbuf_addf( &buf, " </div> <!-- End of content segment -->\n" ); + + fp = xfopen( ctx.page.footer, "r" ); + (void)strbuf_env_fread( &buf, fp ); + fclose( fp ); + + ctx.page.size = buf.len; + cgit_print_http_headers(); + strbuf_write( &buf, STDOUT_FILENO ); + strbuf_release( &buf ); +} |