diff options
Diffstat (limited to 'camel/providers/mbox/camel-mbox-summary.c')
-rw-r--r-- | camel/providers/mbox/camel-mbox-summary.c | 1260 |
1 files changed, 0 insertions, 1260 deletions
diff --git a/camel/providers/mbox/camel-mbox-summary.c b/camel/providers/mbox/camel-mbox-summary.c deleted file mode 100644 index 22060bf8fe..0000000000 --- a/camel/providers/mbox/camel-mbox-summary.c +++ /dev/null @@ -1,1260 +0,0 @@ -/* - * Copyright (C) 2000 Helix Code Inc. - * - * Authors: Michael Zucchi <notzed@helixcode.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public License - * as published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * 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 Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <sys/uio.h> - -#include <stdio.h> -#include <string.h> - -#include <gtk/gtk.h> - -#include <camel/camel-mime-parser.h> -#include <camel/camel-mime-filter.h> -#include <camel/camel-mime-filter-basic.h> -#include <camel/camel-mime-filter-charset.h> -#include <camel/camel-mime-filter-index.h> - -#include <camel/camel-mime-utils.h> - -#include "camel-mbox-summary.h" - -#include <errno.h> -#include <ctype.h> -#include <netinet/in.h> - -#define d(x) - -#define CAMEL_MBOX_SUMMARY_VERSION 2 - -static int safe_write(int fd, char *buffer, size_t towrite); -static void camel_mbox_summary_add(CamelMboxSummary *s, CamelMboxMessageInfo *info); - -/* - Disk file format? - - message uid -message-block - date: - date received? - - subject: (unicode encoded) - from: (unicode encoded) - to: (unicode) - - content-block - -content-block - content-type: ; params; - content-id: - content-description: - content-transfer-encoding: - message-start: - header-size: - body-size: - - message-block - multipart-block - - */ - -/* pah, i dont care, its almost no code and it works, dont need a glist */ -struct _node { - struct _node *next; -}; - -static struct _node * -my_list_append(struct _node **list, struct _node *n) -{ - struct _node *ln = (struct _node *)list; - while (ln->next) - ln = ln->next; - n->next = 0; - ln->next = n; - return n; -} - -static int -my_list_size(struct _node **list) -{ - int len = 0; - struct _node *ln = (struct _node *)list; - while (ln->next) { - ln = ln->next; - len++; - } - return len; -} - -/* low-level io functions */ -static int -encode_int (FILE *out, gint32 value) -{ - int i; - - for (i=28;i>0;i-=7) { - if (value >= (1<<i)) { - unsigned int c = (value>>i) & 0x7f; - if (fputc(c, out) == -1) - return -1; - } - } - return fputc(value | 0x80, out); -} - -static gint32 -decode_int (FILE *in) -{ - gint32 value=0, v; - - /* until we get the last byte, keep decoding 7 bits at a time */ - while ( ((v = fgetc(in)) & 0x80) == 0 && v!=EOF) { - value |= v; - value <<= 7; - } - value |= (v&0x7f); - return value; -} - -static int -encode_fixed_int (FILE *out, gint32 value) -{ - guint32 save; - - save = htonl(value); - return fwrite(&save, sizeof(save), 1, out); -} - -static gint32 -decode_fixed_int (FILE *out) -{ - guint32 save; - - if (fread(&save, sizeof(save), 1, out) != -1) { - return ntohl(save); - } else { - return -1; - } -} - -/* should be sorted, for binary search */ -/* This is a tokenisation mechanism for strings written to the - summary - to save space. - This list can have at most 31 words. */ -static char * tokens[] = { - "7bit", - "8bit", - "alternative", - "application", - "base64", - "boundary", - "charset", - "filename", - "html", - "image", - "iso-8859-1", - "iso-8859-8", - "message", - "mixed", - "multipart", - "name", - "octet-stream", - "parallel", - "plain", - "quoted-printable", - "rfc822", - "text", - "us-ascii", /* 23 words */ -}; - -#define tokens_len (sizeof(tokens)/sizeof(tokens[0])) - -/* baiscally ... - 0 = null - 1-tokens_len == tokens[id-1] - >=32 string, length = n-32 -*/ - -static int -encode_string (FILE *out, char *str) -{ - if (str == NULL) { - return encode_int(out, 0); - } else { - int len = strlen(str); - int i, token=-1; - - if (len <= 16) { - char lower[32]; - - for (i=0;i<len;i++) - lower[i] = tolower(str[i]); - lower[i] = 0; - for (i=0;i<tokens_len;i++) { - if (!strcmp(tokens[i], lower)) { - token = i; - break; - } - } - } - if (token != -1) { - return encode_int(out, token+1); - } else { - if (encode_int(out, len+32) == -1) - return -1; - return fwrite(str, len, 1, out); - } - } - return 0; -} - -static char * -decode_string (FILE *in) -{ - char *ret; - int len; - - len = decode_int(in); - - if (len<32) { - if (len <= 0) { - ret = NULL; - } else if (len<= tokens_len) { - ret = g_strdup(tokens[len-1]); - } else { - g_warning("Invalid token encountered: %d", len); - ret = NULL; - } - } else if (len > 10240) { - g_warning("Got broken string header length: %d bytes", len); - ret = NULL; - } else { - len -= 32; - ret = g_malloc(len+1); - if (fread(ret, len, 1, in) == -1) { - g_free(ret); - return NULL; - } - ret[len]=0; - } - - return ret; -} - - - -/* allocation functions */ - -static void -body_part_dump(CamelMboxMessageContentInfo *bs, int depth) -{ - CamelMboxMessageContentInfo *c; - char *prefix; - - if (bs == NULL) - return; - - prefix = alloca(depth*2+1); - memset(prefix, ' ', depth*2); - prefix[depth*2]=0; - printf("%scontent-range: %d %d %d\n", prefix, (int)bs->pos, (int)bs->bodypos, (int)bs->endpos); - printf("%scontent-type: %s/%s\n", prefix, bs->info.type?bs->info.type->type:"?", bs->info.type?bs->info.type->subtype:"?"); - printf("%scontent-id: %s\n", prefix, bs->info.id); - printf("%scontent-description: %s\n", prefix, bs->info.description); - printf("%scontent-transfer-encoding: %s\n", prefix, bs->info.encoding); - c = (CamelMboxMessageContentInfo *)bs->info.childs; - while (c) { - printf("%s -- \n", prefix); - body_part_dump(c, depth+1); - c = (CamelMboxMessageContentInfo *)c->info.next; - } -} - -static void -message_struct_dump(CamelMboxMessageInfo *ms) -{ - char *tmp; - - if (ms == NULL) { - printf("Empty message?\n"); - return; - } - - printf("Subject: %s\n", ms->info.subject); - printf("From: %s\n", ms->info.from); - printf("To: %s\n", ms->info.to); - tmp = header_format_date(ms->info.date_sent, 0); - printf("Date: %s\n", tmp); - g_free(tmp); - tmp = header_format_date(ms->info.date_received, 0); - printf("Date-Received: %s\n", tmp); - g_free(tmp); - printf("UID: %08x-%04x\n", atoi(ms->info.uid), ms->info.flags); - printf(" -- content ->\n"); - body_part_dump((CamelMboxMessageContentInfo *)ms->info.content, 1); -} - -static CamelMboxMessageContentInfo * -body_part_new(CamelMimeParser *mp, CamelMboxMessageContentInfo *parent, int start, int body) -{ - CamelMboxMessageContentInfo *bs; - - bs = g_malloc0(sizeof(*bs)); - - bs->info.parent = (CamelMessageContentInfo *)parent; - - bs->info.type = camel_mime_parser_content_type(mp); - header_content_type_ref(bs->info.type); - - bs->info.id = header_msgid_decode(camel_mime_parser_header(mp, "content-id", NULL)); - bs->info.description = header_decode_string(camel_mime_parser_header(mp, "content-description", NULL)); - bs->info.encoding = header_content_encoding_decode(camel_mime_parser_header(mp, "content-transfer-encoding", NULL)); - - /* not sure what to set here? */ - bs->pos = start; - bs->bodypos = body; - bs->endpos = -1; - - if (parent) - my_list_append((struct _node **)&parent->info.childs, (struct _node *)bs); - - return bs; -} - -static CamelMboxMessageInfo * -message_struct_new(CamelMimeParser *mp, CamelMboxMessageContentInfo *parent, int start, int body, off_t xev_offset) -{ - CamelMboxMessageInfo *ms; - - ms = g_malloc0(sizeof(*ms)); - - /* FIXME: what about cc, sender vs from? */ - ms->info.subject = header_decode_string(camel_mime_parser_header(mp, "subject", NULL)); - ms->info.from = g_strdup(camel_mime_parser_header(mp, "from", NULL)); - ms->info.to = g_strdup(camel_mime_parser_header(mp, "to", NULL)); - - ms->info.date_sent = header_decode_date(camel_mime_parser_header(mp, "date", NULL), NULL); - ms->info.date_received = 0; - - ms->info.content = (CamelMessageContentInfo *)body_part_new(mp, parent, start, body); - ms->xev_offset = xev_offset; - return ms; -} - -static void -body_part_free(CamelMboxMessageContentInfo *bs) -{ - CamelMboxMessageContentInfo *c, *cn; - - c = (CamelMboxMessageContentInfo *)bs->info.childs; - while (c) { - cn = (CamelMboxMessageContentInfo *)c->info.next; - body_part_free(c); - c = cn; - } - g_free(bs->info.id); - g_free(bs->info.description); - g_free(bs->info.encoding); - header_content_type_unref(bs->info.type); - g_free(bs); -} - -static void -message_struct_free(CamelMboxMessageInfo *ms) -{ - g_free(ms->info.subject); - g_free(ms->info.to); - g_free(ms->info.from); - body_part_free((CamelMboxMessageContentInfo *)ms->info.content); - g_free(ms); -} - - -/* IO functions */ -static CamelMboxMessageContentInfo * -body_part_load(FILE *in) -{ - CamelMboxMessageContentInfo *bs = NULL, *c; - struct _header_content_type *ct; - char *type; - char *subtype; - int i, count; - - d(printf("got content-block\n")); - bs = g_malloc0(sizeof(*bs)); - bs->pos = decode_int(in); - bs->bodypos = bs->pos + decode_int(in); - bs->endpos = bs->pos + decode_int(in); - - /* do content type */ - d(printf("got content-type\n")); - type = decode_string(in); - subtype = decode_string(in); - - ct = header_content_type_new(type, subtype); - bs->info.type = ct; - count = decode_int(in); - d(printf("getting %d params\n", count)); - for (i=0;i<count;i++) { - char *name = decode_string(in); - char *value = decode_string(in); - - d(printf(" %s = \"%s\"\n", name, value)); - - header_content_type_set_param(ct, name, value); - /* FIXME: do this so we dont have to double alloc/free */ - g_free(name); - g_free(value); - } - - d(printf("got content-id\n")); - bs->info.id = decode_string(in); - d(printf("got content-description\n")); - bs->info.description = decode_string(in); - d(printf("got content-encoding\n")); - bs->info.encoding = decode_string(in); - - count = decode_int(in); - d(printf("got children, %d\n", count)); - for (i=0;i<count;i++) { - c = body_part_load(in); - if (c) { - my_list_append((struct _node **)&bs->info.childs, (struct _node *)c); - c->info.parent = (CamelMessageContentInfo *)bs; - } else { - printf("Cannot load child\n"); - } - } - - return bs; -} - -static int -body_part_save(FILE *out, CamelMboxMessageContentInfo *bs) -{ - CamelMboxMessageContentInfo *c, *cn; - struct _header_content_type *ct; - struct _header_param *hp; - - encode_int(out, bs->pos); - encode_int(out, bs->bodypos - bs->pos); - encode_int(out, bs->endpos - bs->pos); - - ct = bs->info.type; - if (ct) { - encode_string(out, ct->type); - encode_string(out, ct->subtype); - encode_int(out, my_list_size((struct _node **)&ct->params)); - hp = ct->params; - while (hp) { - encode_string(out, hp->name); - encode_string(out, hp->value); - hp = hp->next; - } - } else { - encode_string(out, NULL); - encode_string(out, NULL); - encode_int(out, 0); - } - encode_string(out, bs->info.id); - encode_string(out, bs->info.description); - encode_string(out, bs->info.encoding); - - encode_int(out, my_list_size((struct _node **)&bs->info.childs)); - - c = (CamelMboxMessageContentInfo *)bs->info.childs; - while (c) { - cn = (CamelMboxMessageContentInfo *)c->info.next; - body_part_save(out, c); - c = cn; - } - - return 0; -} - -static CamelMboxMessageInfo * -message_struct_load(FILE *in) -{ - CamelMboxMessageInfo *ms; - - ms = g_malloc0(sizeof(*ms)); - - ms->info.uid = g_strdup_printf("%u", decode_int(in)); - ms->info.flags = decode_int(in); - ms->info.date_sent = decode_int(in); - ms->info.date_received = decode_int(in); - ms->xev_offset = decode_int(in); - ms->info.subject = decode_string(in); - ms->info.from = decode_string(in); - ms->info.to = decode_string(in); - ms->info.content = (CamelMessageContentInfo *)body_part_load(in); - - return ms; -} - -static int -message_struct_save(FILE *out, CamelMboxMessageInfo *ms) -{ - encode_int(out, strtoul(ms->info.uid, NULL, 10)); - encode_int(out, ms->info.flags); - encode_int(out, ms->info.date_sent); - encode_int(out, ms->info.date_received); - encode_int(out, ms->xev_offset); - encode_string(out, ms->info.subject); - encode_string(out, ms->info.from); - encode_string(out, ms->info.to); - body_part_save(out, (CamelMboxMessageContentInfo *)ms->info.content); - - return 0; -} - -static unsigned int -header_evolution_decode(const char *in, unsigned int *uid, unsigned int *flags) -{ - char *header; - if (in - && (header = header_token_decode(in))) { - if (strlen(header) == strlen("00000000-0000") - && sscanf(header, "%08x-%04x", uid, flags) == 2) { - g_free(header); - return *uid; - } - g_free(header); - } - - return ~0; -} - -static int -safe_write(int fd, char *buffer, size_t towrite) -{ - size_t donelen; - size_t len; - - donelen = 0; - while (donelen < towrite) { - len = write(fd, buffer + donelen, towrite - donelen); - if (len == -1) { - if (errno == EINTR || errno == EAGAIN) - continue; - return -1; - } - donelen += len; - } - return donelen; -} - -static int -header_write(int fd, struct _header_raw *header, unsigned int uid, unsigned int flags) -{ - struct iovec iv[4]; - int outlen = 0; - - iv[1].iov_base = ":"; - iv[1].iov_len = 1; - iv[3].iov_base = "\n"; - iv[3].iov_len = 1; - - while (header) { - if (strcasecmp(header->name, "x-evolution")) { - int len; - - iv[0].iov_base = header->name; - iv[0].iov_len = strlen(header->name); - iv[2].iov_base = header->value; - iv[2].iov_len = strlen(header->value); - - do { - len = writev(fd, iv, 4); - } while (len == -1 && errno == EINTR); - - if (len == -1) - return -1; - outlen += len; - } - header = header->next; - } - - return outlen; -} - -/* returns -1 on error, else number of bytes written */ -int -camel_mbox_summary_copy_block(int fromfd, int tofd, off_t readpos, size_t bytes) -{ - char buffer[4096]; - int written = 0; - off_t pos, newpos; - - pos = lseek(fromfd, 0, SEEK_CUR); - if (pos == -1) - return -1; - - newpos = lseek(fromfd, readpos, SEEK_SET); - if (newpos == -1 || newpos != readpos) - goto error; - - d(printf("oldpos = %d; copying %d from %d\n", (int)pos, (int)bytes, (int)readpos)); - - while (bytes>0) { - int toread, towrite, donelen; - - toread = bytes; - if (bytes>4096) - toread = 4096; - else - toread = bytes; - reread: - towrite = read(fromfd, buffer, toread); - if (towrite == -1) { - if (errno == EINTR || errno == EAGAIN) - goto reread; - goto error; - } - - /* check for 'end of file' */ - if (towrite == 0) - break; - - if ( (donelen = safe_write(tofd, buffer, towrite)) == -1) - goto error; - - written += donelen; - bytes -= donelen; - } - - d(printf("written %d bytes\n", written)); - - newpos = lseek(fromfd, pos, SEEK_SET); - if (newpos == -1 || newpos != pos); - return -1; - - return written; - -error: - lseek(fromfd, pos, SEEK_SET); - return -1; -} - -#define SAVEIT - -static int index_folder(CamelMboxSummary *s, int startoffset) -{ - CamelMimeParser *mp; - int fd; - int fdout; - int state; - - int toplevel = FALSE; - const char *xev; - char *data; - int datalen; - - int enc_id=-1; - int chr_id=-1; - int idx_id=-1; - struct _header_content_type *ct; - int doindex=FALSE; - CamelMimeFilterCharset *mfc = NULL; - CamelMimeFilterIndex *mfi = NULL; - CamelMimeFilterBasic *mf64 = NULL, *mfqp = NULL; - - CamelMboxMessageContentInfo *body = NULL, *parent = NULL; - CamelMboxMessageInfo *message = NULL; - - int from_end = 0; /* start of message */ - int from = 0; /* start of headers */ - int last_write = 0; /* last written position */ - int eof; - int write_offset = 0; /* how much does the dest differ from the source pos */ - int old_offset = 0; - - guint32 newuid; - off_t xevoffset = -1; - - char *tmpname; - - printf("indexing %s (%s) from %d\n", s->folder_path, s->summary_path, startoffset); - - fd = open(s->folder_path, O_RDONLY); - if (fd==-1) { - perror("Can't open folder"); - return -1; - } - - tmpname = g_strdup_printf("%s.tmp", s->folder_path); - - fdout = open(tmpname, O_WRONLY|O_CREAT|O_TRUNC, 0600); - if (fdout==-1) { - perror("Can't open output"); - g_free(tmpname); - return -1; - } - - mp = camel_mime_parser_new(); - camel_mime_parser_init_with_fd(mp, fd); - camel_mime_parser_scan_from(mp, TRUE); - - /* FIXME: cleaner fail code */ - if (startoffset > 0) { - if (camel_mime_parser_seek(mp, startoffset, SEEK_SET) != startoffset) { - g_free(tmpname); - gtk_object_unref((GtkObject *)mp); - return -1; - } - } - - mfi = camel_mime_filter_index_new_ibex(s->index); - - while ( (state = camel_mime_parser_step(mp, &data, &datalen)) != HSCAN_EOF ) { - switch(state) { - case HSCAN_FROM: /* starting a new message content */ - /* save the current position */ - d(printf("from = %d\n", (int)camel_mime_parser_tell(mp))); - toplevel = FALSE; - from = camel_mime_parser_tell(mp); - break; - - case HSCAN_FROM_END: - d(printf("from-end = %d\n", (int)camel_mime_parser_tell(mp))); - d(printf("message from %d to %d\n", from_end, (int)camel_mime_parser_tell(mp))); - from_end = camel_mime_parser_tell(mp); - break; - - case HSCAN_MESSAGE: - case HSCAN_MULTIPART: - case HSCAN_HEADER: /* starting a new header */ - newuid=~0; - if (!toplevel) { - char name[32]; - unsigned int olduid, oldflags; - int headerlen; - int docopy = FALSE; - - /* check for X-Evolution header ... if its there, nothing to do (skip content) */ - xev = camel_mime_parser_header(mp, "x-evolution", &xevoffset); - if (xev) { - d(printf("An x-evolution header exists at: %d = %s\n", xevoffset + write_offset, xev)); - xevoffset = xevoffset + write_offset; - if (header_evolution_decode(xev, &olduid, &oldflags) != ~0) { - d(printf(" uid = %d = %x\n", olduid, olduid)); - newuid = olduid; -#if 0 - while (camel_mime_parser_step(mp, &data, &datalen) != HSCAN_FROM_END) - ; - break; -#endif - } else { - printf("Invalid xev header? I need to write out a new one ...\n"); - } - } - - toplevel = TRUE; - - /* assign a new uid for this message */ - if (newuid == ~0) { - newuid = s->nextuid++; - docopy = TRUE; - } else { - /* make sure we account for this uid when assigning uid's */ - /* this really needs a pre-scan pass ... *sigh* */ - camel_mbox_summary_set_uid(s, newuid); - } - - /* setup index name for this uid */ - sprintf(name, "%x", newuid); - camel_mime_filter_index_set_name(mfi, name); - /* remove all references to this name from the index */ - if (s->index) - ibex_unindex(s->index, name); - - d(printf("Message content starts at %d\n", camel_mime_parser_tell(mp))); - - if (docopy) { - /* now, copy over bits of mbox from last write, and insert the X-Evolution header (at the top of headers) */ - /* if we already have a valid x-evolution header, use that, dont need to copy */ - camel_mbox_summary_copy_block(fd, fdout, last_write, from-last_write); - last_write = from; - - headerlen = header_write(fdout, camel_mime_parser_headers_raw(mp), newuid, 0); - sprintf(name, "X-Evolution: %08x-%04x\n\n", newuid, 0); - safe_write(fdout, name, strlen(name)); - d(printf("new X-Evolution at %d\n", headerlen + from + write_offset)); - xevoffset = headerlen + from + write_offset; - old_offset = write_offset; - - write_offset += (headerlen - (camel_mime_parser_tell(mp)-from)) + strlen(name); - last_write = camel_mime_parser_tell(mp); - } - } else { - old_offset = write_offset; - } - - /* we only care about the rest for actual content parts */ - /* TODO: Cleanup, this is a huge mess */ - if (state != HSCAN_HEADER) { - if (message == NULL) { - message = message_struct_new(mp, parent, camel_mime_parser_tell_start_headers(mp)+old_offset, camel_mime_parser_tell(mp)+write_offset, xevoffset); - parent = (CamelMboxMessageContentInfo *)message->info.content; - if (newuid != ~0) { - message->info.uid = g_strdup_printf("%u", newuid); - } else { - g_warning("This shouldn't happen?"); - } - } else { - parent = body_part_new(mp, parent, camel_mime_parser_tell_start_headers(mp)+old_offset, camel_mime_parser_tell(mp)+write_offset); - } - break; - } - - if (message == NULL) { - message = message_struct_new(mp, parent, camel_mime_parser_tell_start_headers(mp)+old_offset, camel_mime_parser_tell(mp)+write_offset, xevoffset); - body = (CamelMboxMessageContentInfo *)message->info.content; - if (newuid != ~0) { - message->info.uid = g_strdup_printf("%u", newuid); - } else { - g_warning("This shouldn't happen?"); - } - } else { - body = body_part_new(mp, parent, camel_mime_parser_tell_start_headers(mp)+old_offset, camel_mime_parser_tell(mp)+write_offset); - } - - /* check headers for types that we can index */ - ct = camel_mime_parser_content_type(mp); - if (header_content_type_is(ct, "text", "*")) { - char *encoding; - const char *charset; - - /* TODO: The filters should all be cached, so they aren't recreated between - messages/message parts */ - encoding = header_content_encoding_decode(camel_mime_parser_header(mp, "content-transfer-encoding", NULL)); - if (encoding) { - if (!strcasecmp(encoding, "base64")) { - d(printf("Adding decoding filter for base64\n")); - if (mf64 == NULL) - mf64 = camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_BASE64_DEC); - enc_id = camel_mime_parser_filter_add(mp, (CamelMimeFilter *)mf64); - } else if (!strcasecmp(encoding, "quoted-printable")) { - d(printf("Adding decoding filter for quoted-printable\n")); - if (mfqp == NULL) - mfqp = camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_QP_DEC); - enc_id = camel_mime_parser_filter_add(mp, (CamelMimeFilter *)mfqp); - } - g_free(encoding); - } - - charset = header_content_type_param(ct, "charset"); - if (charset!=NULL - && !(strcasecmp(charset, "us-ascii")==0 - || strcasecmp(charset, "utf-8")==0)) { - d(printf("Adding conversion filter from %s to utf-8\n", charset)); - if (mfc == NULL) - mfc = camel_mime_filter_charset_new_convert(charset, "utf-8"); - if (mfc) { - chr_id = camel_mime_parser_filter_add(mp, (CamelMimeFilter *)mfc); - } else { - g_warning("Cannot convert '%s' to 'utf-8', message display may be corrupt", charset); - } - } - - doindex = TRUE; - - /* and this filter actually does the indexing */ - idx_id = camel_mime_parser_filter_add(mp, (CamelMimeFilter *)mfi); - } else { - doindex = FALSE; - } - break; - - /* fixme, this needs thought *sigh* */ - case HSCAN_MESSAGE_END: - case HSCAN_MULTIPART_END: - if (parent) { - parent->endpos = camel_mime_parser_tell(mp)+write_offset; - if (parent->info.parent == NULL) { - camel_mbox_summary_add(s, message); - message = NULL; - parent = NULL; - } else { - parent = (CamelMboxMessageContentInfo *)parent->info.parent; - } - } - break; - - case HSCAN_BODY: - if (doindex) { - d(printf("Got content to index:\n%.*s", datalen, data)); - } - break; - - case HSCAN_BODY_END: - if (body) { - body->endpos = camel_mime_parser_tell(mp)+write_offset; - if (body->info.parent == NULL) { - camel_mbox_summary_add(s, message); - message = NULL; - } - } - - d(printf("end of content, removing decoders\n")); - if (enc_id != -1) { - camel_mime_parser_filter_remove(mp, enc_id); - enc_id = -1; - } - if (chr_id != -1) { - camel_mime_parser_filter_remove(mp, chr_id); - chr_id = -1; - } - if (idx_id != -1) { - camel_mime_parser_filter_remove(mp, idx_id); - idx_id = -1; - } - break; - } - } - - /* did we actually write anything out? Then rename and be done with it. */ - if (last_write>0) { - eof = camel_mime_parser_tell(mp); - camel_mbox_summary_copy_block(fd, fdout, last_write, eof-last_write); - - if (close(fdout) == -1) { - perror("Could not close output file"); - unlink(tmpname); - } else { - printf("renaming %s to %s\n", tmpname, s->folder_path); - if (rename(tmpname, s->folder_path) == -1) { - perror("Error renaming file"); - unlink(tmpname); - } - } - } else { - /* no, then dont bother touching the inbox */ - printf("No written changes to mbox, removing tmp file\n"); - close(fdout); - unlink(tmpname); - } - - close(fd); - - if (mf64) gtk_object_unref((GtkObject *)mf64); - if (mfqp) gtk_object_unref((GtkObject *)mfqp); - if (mfc) gtk_object_unref((GtkObject *)mfc); - if (mfi) gtk_object_unref((GtkObject *)mfi); - - /* force an index sync? */ - if (s->index) { - ibex_write(s->index); - } - - gtk_object_unref((GtkObject *)mp); - - /* and finally ... update the summary sync info */ - { - struct stat st; - - if (stat(s->folder_path, &st) == 0) { - s->time = st.st_mtime; - s->size = st.st_size; - } - } - - g_free(tmpname); - - return 0; -} - -CamelMboxSummary *camel_mbox_summary_new(const char *summary, const char *folder, ibex *index) -{ - CamelMboxSummary *s; - - s = g_malloc0(sizeof(*s)); - - s->dirty = TRUE; - s->folder_path = g_strdup(folder); - s->summary_path = g_strdup(summary); - /* FIXME: refcount index? */ - s->index = index; - - s->messages = g_ptr_array_new(); - s->message_uid = g_hash_table_new(g_str_hash, g_str_equal); - - /* always force an update */ - s->time = 0; - s->size = 0; - - s->nextuid = 1; - - /* TODO: force an initial load right now? */ - - return s; -} - -void camel_mbox_summary_unref(CamelMboxSummary *s) -{ - g_warning("Unimplemented function, mbox_summary_unref"); -} - -/* check that the summary is uptodate, TRUE means it is uptodate */ -int camel_mbox_summary_check(CamelMboxSummary *s) -{ - struct stat st; - - /* no folder at all? */ - if (stat(s->folder_path, &st) != 0) - return FALSE; - - return (st.st_size == s->size) && (st.st_mtime == s->time); -} - -static void camel_mbox_summary_add(CamelMboxSummary *s, CamelMboxMessageInfo *info) -{ - if (info->info.uid == NULL) { - info->info.uid = g_strdup_printf("%u", s->nextuid++); - } - if (g_hash_table_lookup(s->message_uid, info->info.uid)) { - g_error("Trying to insert message with clashing uid's"); - } - d(printf("adding %s\n", info->info.uid)); - g_ptr_array_add(s->messages, info); - g_hash_table_insert(s->message_uid, info->info.uid, info); - s->dirty = TRUE; -} - -static int summary_header_read(FILE *fp, guint32 *version, time_t *time, size_t *size, guint32 *nextuid) -{ - fseek(fp, 0, SEEK_SET); - *version = decode_fixed_int(fp); - *time = decode_fixed_int(fp); - *size = decode_fixed_int(fp); - *nextuid = decode_fixed_int(fp); - return ferror(fp); -} - -static void -summary_clear(CamelMboxSummary *s) -{ - int i; - - for (i=0;i<s->messages->len;i++) { - message_struct_free(g_ptr_array_index(s->messages, i)); - } - g_ptr_array_free(s->messages, TRUE); - g_hash_table_destroy(s->message_uid); - - s->messages = g_ptr_array_new(); - s->message_uid = g_hash_table_new(g_str_hash, g_str_equal); -} - -int camel_mbox_summary_load(CamelMboxSummary *s) -{ - struct stat st; - FILE *fp; - int i, total; - CamelMboxMessageInfo *info; - - summary_clear(s); - - if ((fp = fopen(s->summary_path, "r")) == NULL) { - g_warning("Loading non-existant summary, generating summary for folder: %s: %s", s->summary_path, strerror(errno)); - index_folder(s, 0); - camel_mbox_summary_save(s); - } else { - guint32 version, nextuid; - time_t time; - size_t size; - - if (stat(s->folder_path, &st) != 0) { - g_warning("Uh, no folder anyway, aborting"); - fclose(fp); - return -1; - } - - if (summary_header_read(fp, &version, &time, &size, &nextuid) != 0 - || version != CAMEL_MBOX_SUMMARY_VERSION) { - g_warning("Summary missing or version mismatch, reloading summary"); - fclose(fp); - index_folder(s, 0); - camel_mbox_summary_save(s); - return 0; - } - - s->nextuid = MAX(s->nextuid, nextuid); - s->time = time; - s->size = size; - total = decode_fixed_int(fp); - - if (time != st.st_mtime || size != st.st_size) { - /* if its grown, then just index the new stuff, and load the rest from the summary */ - if (size < st.st_size) { - g_warning("Indexing/summarizing from start position: %d", size); - - d(printf("loading %d items from summary file\n", total)); - for (i=0;i<total;i++) { - info = message_struct_load(fp); - if (info) { - camel_mbox_summary_add(s, info); - } else { - break; - } - } - fclose(fp); - s->dirty = FALSE; - index_folder(s, size); /* if it adds any, it'll dirtify it */ - camel_mbox_summary_save(s); - } else { - g_warning("Folder changed/smaller, reindexing everything"); - index_folder(s, 0); - camel_mbox_summary_save(s); - fclose(fp); - } - return 0; - } - - printf("loading %d items from summary file\n", total); - for (i=0;i<total;i++) { - info = message_struct_load(fp); - if (info) { - camel_mbox_summary_add(s, info); - } else { - break; - } - } - fclose(fp); - s->dirty = FALSE; - } - return 0; -} - -static int summary_header_write(FILE *fp, CamelMboxSummary *s) -{ - fseek(fp, 0, SEEK_SET); - encode_fixed_int(fp, CAMEL_MBOX_SUMMARY_VERSION); - encode_fixed_int(fp, s->time); - /* if we're dirty, then dont *really* save it ... */ - if (s->dirty) - encode_fixed_int(fp, 0); - else - encode_fixed_int(fp, s->size); - encode_fixed_int(fp, s->nextuid); - fflush(fp); - return ferror(fp); -} - -static int summary_header_save(CamelMboxSummary *s) -{ - int fd; - FILE *fp; - - fd = open(s->summary_path, O_WRONLY|O_CREAT, 0600); - if (fd == -1) - return -1; - fp = fdopen(fd, "w"); - if (fp == NULL) - return -1; - - summary_header_write(fp, s); - return fclose(fp); -} - -int camel_mbox_summary_save(CamelMboxSummary *s) -{ - int i, fd; - FILE *fp; - - printf("saving summary? %s\n", s->summary_path); - - /* FIXME: error checking */ - if (s->dirty) { - printf("yes\n"); - fd = open(s->summary_path, O_WRONLY|O_CREAT|O_TRUNC, 0600); - if (fd == -1) - return -1; - fp = fdopen(fd, "w"); - if (fp == NULL) - return -1; - - s->dirty = FALSE; - - summary_header_write(fp, s); - encode_fixed_int(fp, s->messages->len); - - printf("message count = %d\n", s->messages->len); - - for (i=0;i<s->messages->len;i++) { - message_struct_save(fp, g_ptr_array_index(s->messages, i)); - } - fclose(fp); - } else { - printf("no\n"); - } - return 0; -} - -CamelMboxMessageInfo *camel_mbox_summary_uid(CamelMboxSummary *s, const char *uid) -{ - return g_hash_table_lookup(s->message_uid, uid); -} - -CamelMboxMessageInfo *camel_mbox_summary_index(CamelMboxSummary *s, int index) -{ - return g_ptr_array_index(s->messages, index); -} - -int camel_mbox_summary_message_count(CamelMboxSummary *s) -{ - return s->messages->len; -} - -guint32 camel_mbox_summary_next_uid(CamelMboxSummary *s) -{ - guint32 uid = s->nextuid++; - - summary_header_save(s); - return uid; -} - -guint32 camel_mbox_summary_set_uid(CamelMboxSummary *s, guint32 uid) -{ - if (s->nextuid <= uid) { - s->nextuid = uid+1; - summary_header_save(s); - } - return s->nextuid; -} - -#if 0 -int main(int argc, char **argv) -{ - if (argc<2) { - printf("usage: %s mbox\n", argv[0]); - return 1; - } - - gtk_init(&argc, &argv); - - index_folder(argv[1]); - - return 0; -} -#endif |