diff options
Diffstat (limited to 'camel/camel-filter-search.c')
-rw-r--r-- | camel/camel-filter-search.c | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/camel/camel-filter-search.c b/camel/camel-filter-search.c deleted file mode 100644 index 430f614349..0000000000 --- a/camel/camel-filter-search.c +++ /dev/null @@ -1,527 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Authors: Jeffrey Stedfast <fejj@ximian.com> - * Michael Zucchi <NotZed@Ximian.com> - * - * Copyright 2000 Ximian, Inc. (www.ximian.com) - * Copyright 2001 Ximian Inc. (www.ximian.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -/* (from glibc headers: - POSIX says that <sys/types.h> must be included (by the caller) before <regex.h>. */ - -#include <sys/types.h> -#include <regex.h> -#include <string.h> -#include <ctype.h> - -#ifdef HAVE_ALLOCA_H -#include <alloca.h> -#endif - -#include <gal/util/e-iconv.h> - -#include "e-util/e-sexp.h" - -#include "camel-mime-message.h" -#include "camel-filter-search.h" -#include "camel-exception.h" -#include "camel-multipart.h" -#include "camel-stream-mem.h" -#include "camel-search-private.h" - -#include "camel-url.h" - -#define d(x) - -typedef struct { - CamelMimeMessage *message; - CamelMessageInfo *info; - const char *source; - CamelException *ex; -} FilterMessageSearch; - -/* ESExp callbacks */ -static ESExpResult *header_contains (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *header_matches (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *header_starts_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *header_ends_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *header_exists (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *header_soundex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *header_regex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *header_full_regex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *match_all (struct _ESExp *f, int argc, struct _ESExpTerm **argv, FilterMessageSearch *fms); -static ESExpResult *body_contains (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *body_regex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *user_flag (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *user_tag (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *system_flag (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *get_sent_date (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *get_received_date (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *get_current_date (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *get_score (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *get_source (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); -static ESExpResult *get_size (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms); - -/* builtin functions */ -static struct { - char *name; - ESExpFunc *func; - int type; /* set to 1 if a function can perform shortcut evaluation, or - doesn't execute everything, 0 otherwise */ -} symbols[] = { - { "match-all", (ESExpFunc *) match_all, 1 }, - { "body-contains", (ESExpFunc *) body_contains, 0 }, - { "body-regex", (ESExpFunc *) body_regex, 0 }, - { "header-contains", (ESExpFunc *) header_contains, 0 }, - { "header-matches", (ESExpFunc *) header_matches, 0 }, - { "header-starts-with", (ESExpFunc *) header_starts_with, 0 }, - { "header-ends-with", (ESExpFunc *) header_ends_with, 0 }, - { "header-exists", (ESExpFunc *) header_exists, 0 }, - { "header-soundex", (ESExpFunc *) header_soundex, 0 }, - { "header-regex", (ESExpFunc *) header_regex, 0 }, - { "header-full-regex", (ESExpFunc *) header_full_regex, 0 }, - { "user-tag", (ESExpFunc *) user_tag, 0 }, - { "user-flag", (ESExpFunc *) user_flag, 0 }, - { "system-flag", (ESExpFunc *) system_flag, 0 }, - { "get-sent-date", (ESExpFunc *) get_sent_date, 0 }, - { "get-received-date", (ESExpFunc *) get_received_date, 0 }, - { "get-current-date", (ESExpFunc *) get_current_date, 0 }, - { "get-score", (ESExpFunc *) get_score, 0 }, - { "get-source", (ESExpFunc *) get_source, 0 }, - { "get-size", (ESExpFunc *) get_size, 0 }, -}; - -static ESExpResult * -check_header (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms, camel_search_match_t how) -{ - gboolean matched = FALSE; - ESExpResult *r; - int i; - - if (argc > 1 && argv[0]->type == ESEXP_RES_STRING) { - char *name = argv[0]->value.string; - const char *header; - camel_search_t type = CAMEL_SEARCH_TYPE_ENCODED; - CamelContentType *ct; - const char *charset = NULL; - - if (strcasecmp(name, "x-camel-mlist") == 0) { - header = camel_message_info_mlist(fms->info); - type = CAMEL_SEARCH_TYPE_MLIST; - } else { - header = camel_medium_get_header(CAMEL_MEDIUM(fms->message), argv[0]->value.string); - if (strcasecmp("to", name) == 0 || strcasecmp("cc", name) == 0 || strcasecmp("from", name) == 0) - type = CAMEL_SEARCH_TYPE_ADDRESS_ENCODED; - else { - ct = camel_mime_part_get_content_type(CAMEL_MIME_PART(fms->message)); - if (ct) - charset = e_iconv_charset_name(header_content_type_param(ct, "charset")); - } - } - - if (header) { - for (i=1; i<argc && !matched; i++) { - if (argv[i]->type == ESEXP_RES_STRING) - matched = camel_search_header_match(header, argv[i]->value.string, how, type, charset); - } - } - } - - r = e_sexp_result_new (f, ESEXP_RES_BOOL); - r->value.bool = matched; - - return r; -} - -static ESExpResult * -header_contains (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - return check_header (f, argc, argv, fms, CAMEL_SEARCH_MATCH_CONTAINS); -} - - -static ESExpResult * -header_matches (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - return check_header (f, argc, argv, fms, CAMEL_SEARCH_MATCH_EXACT); -} - -static ESExpResult * -header_starts_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - return check_header (f, argc, argv, fms, CAMEL_SEARCH_MATCH_STARTS); -} - -static ESExpResult * -header_ends_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - return check_header (f, argc, argv, fms, CAMEL_SEARCH_MATCH_ENDS); -} - -static ESExpResult * -header_soundex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - return check_header (f, argc, argv, fms, CAMEL_SEARCH_MATCH_SOUNDEX); -} - -static ESExpResult * -header_exists (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - gboolean matched = FALSE; - ESExpResult *r; - int i; - - for (i = 0; i < argc && !matched; i++) { - if (argv[i]->type == ESEXP_RES_STRING) - matched = camel_medium_get_header (CAMEL_MEDIUM (fms->message), argv[i]->value.string) != NULL; - } - - r = e_sexp_result_new (f, ESEXP_RES_BOOL); - r->value.bool = matched; - - return r; -} - -static ESExpResult * -header_regex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r = e_sexp_result_new (f, ESEXP_RES_BOOL); - regex_t pattern; - const char *contents; - - if (argc > 1 && argv[0]->type == ESEXP_RES_STRING - && (contents = camel_medium_get_header (CAMEL_MEDIUM (fms->message), argv[0]->value.string)) - && camel_search_build_match_regex(&pattern, CAMEL_SEARCH_MATCH_REGEX|CAMEL_SEARCH_MATCH_ICASE, argc-1, argv+1, fms->ex) == 0) { - r->value.bool = regexec (&pattern, contents, 0, NULL, 0) == 0; - regfree (&pattern); - } else - r->value.bool = FALSE; - - return r; -} - -static gchar * -get_full_header (CamelMimeMessage *message) -{ - CamelMimePart *mp = CAMEL_MIME_PART (message); - GString *str = g_string_new (""); - char *ret; - struct _header_raw *h; - - for (h = mp->headers; h; h = h->next) { - if (h->value != NULL) { - g_string_append (str, h->name); - if (isspace (h->value[0])) - g_string_append (str, ":"); - else - g_string_append (str, ": "); - g_string_append (str, h->value); - g_string_append_c(str, '\n'); - } - } - - ret = str->str; - g_string_free (str, FALSE); - - return ret; -} - -static ESExpResult * -header_full_regex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r = e_sexp_result_new (f, ESEXP_RES_BOOL); - regex_t pattern; - char *contents; - - if (camel_search_build_match_regex(&pattern, CAMEL_SEARCH_MATCH_REGEX|CAMEL_SEARCH_MATCH_ICASE|CAMEL_SEARCH_MATCH_NEWLINE, - argc, argv, fms->ex) == 0) { - contents = get_full_header (fms->message); - r->value.bool = regexec (&pattern, contents, 0, NULL, 0) == 0; - g_free (contents); - regfree (&pattern); - } else - r->value.bool = FALSE; - - return r; -} - -static ESExpResult * -match_all (struct _ESExp *f, int argc, struct _ESExpTerm **argv, FilterMessageSearch *fms) -{ - /* match-all: when dealing with single messages is a no-op */ - ESExpResult *r; - - if (argc > 0) - return e_sexp_term_eval (f, argv[0]); - - r = e_sexp_result_new (f, ESEXP_RES_BOOL); - r->value.bool = FALSE; - - return r; -} - -static ESExpResult * -body_contains (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r = e_sexp_result_new (f, ESEXP_RES_BOOL); - regex_t pattern; - - if (camel_search_build_match_regex (&pattern, CAMEL_SEARCH_MATCH_ICASE, argc, argv, fms->ex) == 0) { - r->value.bool = camel_search_message_body_contains ((CamelDataWrapper *)fms->message, &pattern); - regfree (&pattern); - } else - r->value.bool = FALSE; - - return r; -} - -static ESExpResult * -body_regex (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r = e_sexp_result_new(f, ESEXP_RES_BOOL); - regex_t pattern; - - if (camel_search_build_match_regex(&pattern, CAMEL_SEARCH_MATCH_ICASE|CAMEL_SEARCH_MATCH_REGEX|CAMEL_SEARCH_MATCH_NEWLINE, - argc, argv, fms->ex) == 0) { - r->value.bool = camel_search_message_body_contains ((CamelDataWrapper *)fms->message, &pattern); - regfree (&pattern); - } else - r->value.bool = FALSE; - - return r; -} - -static ESExpResult * -user_flag (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - gboolean truth = FALSE; - int i; - - /* performs an OR of all words */ - for (i = 0; i < argc && !truth; i++) { - if (argv[i]->type == ESEXP_RES_STRING - && camel_flag_get (&fms->info->user_flags, argv[i]->value.string)) { - truth = TRUE; - break; - } - } - - r = e_sexp_result_new (f, ESEXP_RES_BOOL); - r->value.bool = truth; - - return r; -} - -static ESExpResult * -system_flag (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - gboolean truth = FALSE; - - if (argc == 1) - truth = camel_system_flag_get (fms->info->flags, argv[0]->value.string); - - r = e_sexp_result_new (f, ESEXP_RES_BOOL); - r->value.bool = truth; - - return r; -} - -static ESExpResult * -user_tag (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - const char *tag; - - tag = camel_tag_get (&fms->info->user_tags, argv[0]->value.string); - - r = e_sexp_result_new (f, ESEXP_RES_STRING); - r->value.string = g_strdup (tag ? tag : ""); - - return r; -} - -static ESExpResult * -get_sent_date (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - - r = e_sexp_result_new (f, ESEXP_RES_INT); - r->value.number = camel_mime_message_get_date (fms->message, NULL); - - return r; -} - -static ESExpResult * -get_received_date (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - - r = e_sexp_result_new (f, ESEXP_RES_INT); - r->value.number = camel_mime_message_get_date_received (fms->message, NULL); - - return r; -} - -static ESExpResult * -get_current_date (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - - r = e_sexp_result_new (f, ESEXP_RES_INT); - r->value.number = time (NULL); - - return r; -} - -static ESExpResult * -get_score (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - const char *tag; - - tag = camel_tag_get (&fms->info->user_tags, "score"); - - r = e_sexp_result_new (f, ESEXP_RES_INT); - if (tag) - r->value.number = atoi (tag); - else - r->value.number = 0; - - return r; -} - -static ESExpResult * -get_source (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - char *src = NULL; - char *tmp; - - if (fms->source) { - CamelURL *url; - - url = camel_url_new (fms->source, NULL); - if (url) { - src = camel_url_to_string (url, CAMEL_URL_HIDE_ALL); - camel_url_free (url); - } - } else { - src = g_strdup (camel_mime_message_get_source (fms->message)); - } - - /* This is an abusive hack */ - if ( src && (tmp = strstr (src, "://")) ) { - tmp += 3; - tmp = strchr (tmp, '/'); - if (tmp) - *tmp = '\0'; - } - - if (src) { - r = e_sexp_result_new (f, ESEXP_RES_STRING); - r->value.string = src; - } else { - r = e_sexp_result_new (f, ESEXP_RES_UNDEFINED); - } - - return r; -} - -/* remember, the size comparisons are done at Kbytes */ -static ESExpResult * -get_size (struct _ESExp *f, int argc, struct _ESExpResult **argv, FilterMessageSearch *fms) -{ - ESExpResult *r; - - r = e_sexp_result_new(f, ESEXP_RES_INT); - r->value.number = fms->info->size / 1024; - - return r; -} - - -/** - * camel_filter_search_match: - * @message: - * @info: - * @source: - * @expression: - * @ex: - * - * Returns one of CAMEL_SEARCH_MATCHED, CAMEL_SEARCH_NOMATCH, or CAMEL_SEARCH_ERROR. - **/ -int -camel_filter_search_match (CamelMimeMessage *message, CamelMessageInfo *info, - const char *source, const char *expression, CamelException *ex) -{ - FilterMessageSearch fms; - ESExp *sexp; - ESExpResult *result; - gboolean retval; - int i; - - fms.message = message; - fms.info = info; - fms.source = source; - fms.ex = ex; - - sexp = e_sexp_new (); - - for (i = 0; i < sizeof (symbols) / sizeof (symbols[0]); i++) { - if (symbols[i].type == 1) - e_sexp_add_ifunction (sexp, 0, symbols[i].name, (ESExpIFunc *)symbols[i].func, &fms); - else - e_sexp_add_function (sexp, 0, symbols[i].name, symbols[i].func, &fms); - } - - e_sexp_input_text (sexp, expression, strlen (expression)); - if (e_sexp_parse (sexp) == -1) { - if (!camel_exception_is_set (ex)) - camel_exception_setv (ex, 1, _("Error executing filter search: %s: %s"), - e_sexp_error (sexp), expression); - goto error; - } - result = e_sexp_eval (sexp); - if (result == NULL) { - if (!camel_exception_is_set (ex)) - camel_exception_setv (ex, 1, _("Error executing filter search: %s: %s"), - e_sexp_error (sexp), expression); - goto error; - } - - if (result->type == ESEXP_RES_BOOL) - retval = result->value.bool ? CAMEL_SEARCH_MATCHED : CAMEL_SEARCH_NOMATCH; - else - retval = CAMEL_SEARCH_NOMATCH; - - e_sexp_result_free (sexp, result); - e_sexp_unref (sexp); - - return retval; - -error: - e_sexp_unref (sexp); - return CAMEL_SEARCH_ERROR; -} |