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author | kx <kx@radix.pro> | 2023-03-24 03:55:33 +0300 |
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committer | kx <kx@radix.pro> | 2023-03-24 03:55:33 +0300 |
commit | bfc1508d26c89c9a36d2d9a827fe2c4ed128884d (patch) | |
tree | 8d41298a7072a3e289e4912f77ece75cbea1bd54 /csvncgi/ui-file.c | |
parent | c836ae3775cf72f17e0b7e3792d156fdb389bee3 (diff) | |
download | csvn-ui-bfc1508d26c89c9a36d2d9a827fe2c4ed128884d.tar.xz |
Version 0.1.4
Diffstat (limited to 'csvncgi/ui-file.c')
-rw-r--r-- | csvncgi/ui-file.c | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/csvncgi/ui-file.c b/csvncgi/ui-file.c new file mode 100644 index 0000000..b20d86e --- /dev/null +++ b/csvncgi/ui-file.c @@ -0,0 +1,354 @@ + +#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 <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 <ui-shared.h> + + +static int csvn_file_last_changed_revision( const char *relative_path ) +{ + const char *co_prefix = ctx.repo.checkout_ro_prefix; + const char *repo_path = ctx.repo.name; + int ret = 0; + + if( !relative_path ) return ret; + + if( co_prefix ) + { + char cmd[1024]; + struct strbuf buf = STRBUF_INIT; + pid_t p = (pid_t) -1; + int rc; + + snprintf( (char *)&cmd[0], 1024, + "svn info --show-item last-changed-revision --no-newline %s/%s/%s 2>/dev/null", + co_prefix, repo_path, relative_path ); + p = sys_exec_command( &buf, cmd ); + rc = sys_wait_command( p, NULL ); + if( rc != 0 ) + { + return ret; + } + strbuf_trim( &buf ); + ret = atoi( buf.buf ); + strbuf_release( &buf ); + } + return ret; +} + +static void csvn_print_file_links( struct strbuf *sb, const char *relative_path, int revision, int top ) +{ + const char *query_string = NULL; + const char *place = NULL; + char rev[80] = { 0 }; + + 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( !revision ) + revision = csvn_file_last_changed_revision( relative_path ); + sprintf( (char *)&rev[0], "%d", revision ); + + 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, (char *)&rev[0], 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, (char *)&rev[0], 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, (char *)&rev[0], 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, (char *)&rev[0] ); + 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, (char *)&rev[0] ); + 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, (char *)&rev[0] ); + } + + 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 csvn_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 csvn_print_markdown_file( struct strbuf *sb, const char *relative_path, int revision ) +{ + const char *co_prefix = ctx.repo.checkout_ro_prefix; + const char *repo_path = ctx.repo.name; + + if( !sb || !relative_path ) return; + + csvn_print_file_links( sb, relative_path, revision, 1 ); + + strbuf_addstr( sb, "<div class='markdown-content'>" ); + + if( co_prefix ) + { + char cmd[1024]; + struct strbuf buf = STRBUF_INIT; + pid_t p = (pid_t) -1; + int rc; + + if( revision ) + snprintf( (char *)&cmd[0], 1024, + "svn cat --revision %d %s/%s/%s 2>/dev/null", + revision, co_prefix, repo_path, relative_path ); + else + snprintf( (char *)&cmd[0], 1024, + "svn cat %s/%s/%s 2>/dev/null", + co_prefix, repo_path, relative_path ); + p = sys_exec_command( &buf, cmd ); + rc = sys_wait_command( p, NULL ); + if( rc != 0 ) + { + strbuf_release( &buf ); + return; + } + + (void)csvn_write_markdown_content( sb, (const struct strbuf *)&buf ); + + strbuf_release( &buf ); + } + + strbuf_addstr( sb, "\n</div> <!-- End of Markdown Content -->\n" ); + + csvn_print_file_links( sb, relative_path, revision, 0 ); + + return; +} + + +static void csvn_print_file( struct strbuf *sb, const char *relative_path, int revision, const char *lang ) +{ + const char *co_prefix = ctx.repo.checkout_ro_prefix; + const char *repo_path = ctx.repo.name; + + if( !sb || !relative_path ) return; + + csvn_print_file_links( sb, relative_path, revision, 1 ); + + if( lang ) + strbuf_addf( sb, "<pre><code class='language-%s'>", lang ); + else + strbuf_addstr( sb, "<pre><code class='highlight'>" ); + + if( co_prefix ) + { + char cmd[1024]; + struct strbuf buf = STRBUF_INIT; + char *raw = NULL; + pid_t p = (pid_t) -1; + int rc; + + if( revision ) + snprintf( (char *)&cmd[0], 1024, + "svn cat --revision %d %s/%s/%s 2>/dev/null", + revision, co_prefix, repo_path, relative_path ); + else + snprintf( (char *)&cmd[0], 1024, + "svn cat %s/%s/%s 2>/dev/null", + co_prefix, repo_path, relative_path ); + p = sys_exec_command( &buf, cmd ); + rc = sys_wait_command( p, NULL ); + if( rc != 0 ) + { + strbuf_release( &buf ); + return; + } + + raw = strbuf_detach( &buf, NULL ); + strbuf_addstr_xml_quoted( &buf, (const char *)raw ); + free( raw ); + + strbuf_addbuf( sb, (const struct strbuf *)&buf ); + strbuf_release( &buf ); + } + + strbuf_addstr( sb, "\n</code></pre>\n" ); + + csvn_print_file_links( sb, relative_path, revision, 0 ); + + return; +} + +static void csvn_print_image_file( struct strbuf *sb, const char *relative_path, int revision ) +{ + const char *co_prefix = ctx.repo.checkout_ro_prefix; + const char *repo_path = ctx.repo.name; + + if( !sb || !relative_path ) return; + + if( co_prefix ) + { + char cmd[1024]; + struct strbuf buf = STRBUF_INIT; + pid_t p = (pid_t) -1; + int rc; + + if( revision ) + snprintf( (char *)&cmd[0], 1024, + "svn cat --revision %d %s/%s/%s 2>/dev/null", + revision, co_prefix, repo_path, relative_path ); + else + snprintf( (char *)&cmd[0], 1024, + "svn cat %s/%s/%s 2>/dev/null", + co_prefix, repo_path, relative_path ); + p = sys_exec_command( &buf, cmd ); + rc = sys_wait_command( p, NULL ); + if( rc != 0 ) + { + strbuf_release( &buf ); + return; + } + + /**************************************************** + This call should terminate the program on success: + */ + csvn_print_raw_file( &buf, ctx.repo.relative_info.mime ); + + strbuf_release( &buf ); + } + + return; +} + +void csvn_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=\"csvn-main-content\">\n" ); + + if( ctx.repo.relative_info.kind == KIND_FILE ) + { + if( !strncmp( ctx.repo.relative_info.mime, "text/", 5 ) ) + { + if( ctx.repo.name ) + { + if( ctx.repo.relative_info.lang ) + { + if( !strcmp( ctx.repo.relative_info.lang, "Markdown" ) ) + csvn_print_markdown_file( &buf, ctx.repo.relative_path, ctx.query.rev ); + else + csvn_print_file( &buf, ctx.repo.relative_path, ctx.query.rev, ctx.repo.relative_info.lang ); + } + else + csvn_print_file( &buf, ctx.repo.relative_path, ctx.query.rev, NULL ); + } + 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: + */ + csvn_print_image_file( &buf, ctx.repo.relative_path, 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 csvn-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; + csvn_print_http_headers(); + strbuf_write( &buf, STDOUT_FILENO ); + strbuf_release( &buf ); +} |