src/lib-storage/mail.c

	mail.c revision de62ce819d59a529530da4b57be1b8d6dad13d6b
/* Copyright (c) 2002-2011 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "ioloop.h"
#include "buffer.h"
#include "hash.h"
#include "hex-binary.h"
#include "crc32.h"
#include "sha1.h"
#include "hostpid.h"
#include "mail-cache.h"
#include "mail-storage-private.h"

#include <time.h>

struct mail *mail_alloc(struct mailbox_transaction_context *t,
            enum mail_fetch_field wanted_fields,
            struct mailbox_header_lookup_ctx *wanted_headers)
{
    struct mail *mail;

    T_BEGIN {
        mail = t->box->v.mail_alloc(t, wanted_fields, wanted_headers);
        hook_mail_allocated(mail);
    } T_END;

    return mail;
}

void mail_free(struct mail **mail)
{
    struct mail_private *p = (struct mail_private *)*mail;

    p->v.free(*mail);
    *mail = NULL;
}

void mail_set_seq(struct mail *mail, uint32_t seq)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.set_seq(mail, seq, FALSE);
}

void mail_set_seq_saving(struct mail *mail, uint32_t seq)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.set_seq(mail, seq, TRUE);
}

bool mail_set_uid(struct mail *mail, uint32_t uid)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.set_uid(mail, uid);
}

bool mail_prefetch(struct mail *mail)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.prefetch(mail);
}

enum mail_flags mail_get_flags(struct mail *mail)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_flags(mail);
}

uint64_t mail_get_modseq(struct mail *mail)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_modseq(mail);
}

const char *const *mail_get_keywords(struct mail *mail)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_keywords(mail);
}

const ARRAY_TYPE(keyword_indexes) *mail_get_keyword_indexes(struct mail *mail)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_keyword_indexes(mail);
}

int mail_get_parts(struct mail *mail, struct message_part **parts_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_parts(mail, parts_r);
}

int mail_get_date(struct mail *mail, time_t *date_r, int *timezone_r)
{
    struct mail_private *p = (struct mail_private *)mail;
    int tz;

    if (timezone_r == NULL)
        timezone_r = &tz;

    return p->v.get_date(mail, date_r, timezone_r);
}

int mail_get_received_date(struct mail *mail, time_t *date_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_received_date(mail, date_r);
}

int mail_get_save_date(struct mail *mail, time_t *date_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_save_date(mail, date_r);
}

int mail_get_virtual_size(struct mail *mail, uoff_t *size_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_virtual_size(mail, size_r);
}

int mail_get_physical_size(struct mail *mail, uoff_t *size_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_physical_size(mail, size_r);
}

int mail_get_first_header(struct mail *mail, const char *field,
              const char **value_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_first_header(mail, field, FALSE, value_r);
}

int mail_get_first_header_utf8(struct mail *mail, const char *field,
                   const char **value_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_first_header(mail, field, TRUE, value_r);
}

int mail_get_headers(struct mail *mail, const char *field,
             const char *const **value_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_headers(mail, field, FALSE, value_r);
}

int mail_get_headers_utf8(struct mail *mail, const char *field,
              const char *const **value_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_headers(mail, field, TRUE, value_r);
}

int mail_get_header_stream(struct mail *mail,
               struct mailbox_header_lookup_ctx *headers,
               struct istream **stream_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_header_stream(mail, headers, stream_r);
}

int mail_set_aborted(struct mail *mail)
{
    mail_storage_set_error(mail->box->storage, MAIL_ERROR_NOTPOSSIBLE,
                   "Mail field not cached");
    return -1;
}

int mail_get_stream(struct mail *mail, struct message_size *hdr_size,
            struct message_size *body_size, struct istream **stream_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    if (mail->lookup_abort != MAIL_LOOKUP_ABORT_NEVER)
        return mail_set_aborted(mail);
    return p->v.get_stream(mail, hdr_size, body_size, stream_r);
}

int mail_get_special(struct mail *mail, enum mail_fetch_field field,
             const char **value_r)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_special(mail, field, value_r);
}

struct mail *mail_get_real_mail(struct mail *mail)
{
    struct mail_private *p = (struct mail_private *)mail;

    return p->v.get_real_mail(mail);
}

void mail_update_flags(struct mail *mail, enum modify_type modify_type,
               enum mail_flags flags)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.update_flags(mail, modify_type, flags);
}

void mail_update_keywords(struct mail *mail, enum modify_type modify_type,
              struct mail_keywords *keywords)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.update_keywords(mail, modify_type, keywords);
}

void mail_update_modseq(struct mail *mail, uint64_t min_modseq)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.update_modseq(mail, min_modseq);
}

void mail_update_pop3_uidl(struct mail *mail, const char *uidl)
{
    struct mail_private *p = (struct mail_private *)mail;

    if (p->v.update_pop3_uidl != NULL)
        p->v.update_pop3_uidl(mail, uidl);
}

void mail_expunge(struct mail *mail)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.expunge(mail);
}

void mail_set_expunged(struct mail *mail)
{
    mail_storage_set_error(mail->box->storage, MAIL_ERROR_EXPUNGED,
                   "Message was expunged");
    mail->expunged = TRUE;
}

bool mail_is_cached(struct mail *mail)
{
    return mail_cache_field_exists_any(mail->transaction->cache_view,
                       mail->seq);
}

void mail_parse(struct mail *mail, bool parse_body)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.parse(mail, parse_body);
}

void mail_set_cache_corrupted(struct mail *mail, enum mail_fetch_field field)
{
    struct mail_private *p = (struct mail_private *)mail;

    p->v.set_cache_corrupted(mail, field);
}

void mail_generate_guid_128_hash(const char *guid, guid_128_t guid_128_r)
{
    unsigned char sha1_sum[SHA1_RESULTLEN];
    buffer_t buf;

    if (guid_128_from_string(guid, guid_128_r) < 0) {
        /* not 128bit hex. use a hash of it instead. */
        buffer_create_data(&buf, guid_128_r, GUID_128_SIZE);
        buffer_set_used_size(&buf, 0);
        sha1_get_digest(guid, strlen(guid), sha1_sum);
#if SHA1_RESULTLEN < DBOX_GUID_BIN_LEN
#  error not possible
#endif
        buffer_append(&buf,
                  sha1_sum + SHA1_RESULTLEN - GUID_128_SIZE,
                  GUID_128_SIZE);
    }
}