diff options
Diffstat (limited to 'camel/providers/local/camel-mh-store.c')
| -rw-r--r-- | camel/providers/local/camel-mh-store.c | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/camel/providers/local/camel-mh-store.c b/camel/providers/local/camel-mh-store.c deleted file mode 100644 index 65f783cac..000000000 --- a/camel/providers/local/camel-mh-store.c +++ /dev/null @@ -1,574 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- - * - * Copyright (C) 2000 Ximian, Inc. - * - * Authors: Michael Zucchi <notzed@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 - -#include <sys/stat.h> -#include <errno.h> -#include <string.h> -#include <unistd.h> -#include <dirent.h> - -#include "camel-mh-store.h" -#include "camel-mh-folder.h" -#include "camel-exception.h" -#include "camel-url.h" -#include "camel-private.h" - -#include <camel/camel-stream-fs.h> -#include <camel/camel-stream-buffer.h> - -#include "camel-mh-summary.h" - -static CamelLocalStoreClass *parent_class = NULL; - -#define d(x) - -/* Returns the class for a CamelMhStore */ -#define CMHS_CLASS(so) CAMEL_MH_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CMHF_CLASS(so) CAMEL_MH_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) - -static void construct (CamelService *service, CamelSession *session, CamelProvider *provider, CamelURL *url, CamelException *ex); -static CamelFolder *get_folder(CamelStore * store, const char *folder_name, guint32 flags, CamelException * ex); -static CamelFolder *get_inbox (CamelStore *store, CamelException *ex); -static void delete_folder(CamelStore * store, const char *folder_name, CamelException * ex); -static void rename_folder(CamelStore *store, const char *old, const char *new, CamelException *ex); -static CamelFolderInfo * get_folder_info (CamelStore *store, const char *top, guint32 flags, CamelException *ex); - -static void camel_mh_store_class_init(CamelObjectClass * camel_mh_store_class) -{ - CamelStoreClass *camel_store_class = CAMEL_STORE_CLASS(camel_mh_store_class); - CamelServiceClass *camel_service_class = CAMEL_SERVICE_CLASS(camel_mh_store_class); - - parent_class = (CamelLocalStoreClass *)camel_type_get_global_classfuncs(camel_local_store_get_type()); - - /* virtual method overload, use defaults for most */ - camel_service_class->construct = construct; - - camel_store_class->get_folder = get_folder; - camel_store_class->get_inbox = get_inbox; - camel_store_class->delete_folder = delete_folder; - camel_store_class->rename_folder = rename_folder; - camel_store_class->get_folder_info = get_folder_info; -} - -CamelType camel_mh_store_get_type(void) -{ - static CamelType camel_mh_store_type = CAMEL_INVALID_TYPE; - - if (camel_mh_store_type == CAMEL_INVALID_TYPE) { - camel_mh_store_type = camel_type_register(CAMEL_LOCAL_STORE_TYPE, "CamelMhStore", - sizeof(CamelMhStore), - sizeof(CamelMhStoreClass), - (CamelObjectClassInitFunc) camel_mh_store_class_init, - NULL, - NULL, - NULL); - } - - return camel_mh_store_type; -} - -static void -construct (CamelService *service, CamelSession *session, CamelProvider *provider, CamelURL *url, CamelException *ex) -{ - CamelMhStore *mh_store = (CamelMhStore *)service; - - CAMEL_SERVICE_CLASS (parent_class)->construct (service, session, provider, url, ex); - if (camel_exception_is_set (ex)) - return; - - if (camel_url_get_param(url, "dotfolders")) - mh_store->flags |= CAMEL_MH_DOTFOLDERS; -} - -enum { - UPDATE_NONE, - UPDATE_ADD, - UPDATE_REMOVE, -}; - -/* update the .folders file if it exists, or create it if it doesn't */ -static void -folders_update(const char *root, const char *folder, int mode) -{ - char *tmp, *tmpnew, *line = NULL; - CamelStream *stream, *in = NULL, *out = NULL; - - tmpnew = g_alloca (strlen (root) + 16); - sprintf (tmpnew, "%s.folders~", root); - - out = camel_stream_fs_new_with_name(tmpnew, O_WRONLY|O_CREAT|O_TRUNC, 0666); - if (out == NULL) - goto fail; - - tmp = g_alloca (strlen (root) + 16); - sprintf (tmp, "%s.folders", root); - stream = camel_stream_fs_new_with_name(tmp, O_RDONLY, 0); - if (stream) { - in = camel_stream_buffer_new(stream, CAMEL_STREAM_BUFFER_READ); - camel_object_unref(stream); - } - if (in == NULL || stream == NULL) { - if (mode == UPDATE_ADD && camel_stream_printf(out, "%s\n", folder) == -1) - goto fail; - goto done; - } - - while ((line = camel_stream_buffer_read_line((CamelStreamBuffer *)in))) { - int copy = TRUE; - - switch (mode) { - case UPDATE_REMOVE: - if (strcmp(line, folder) == 0) - copy = FALSE; - break; - case UPDATE_ADD: { - int cmp = strcmp(line, folder); - - if (cmp > 0) { - /* found insertion point */ - if (camel_stream_printf(out, "%s\n", folder) == -1) - goto fail; - mode = UPDATE_NONE; - } else if (tmp == 0) { - /* already there */ - mode = UPDATE_NONE; - } - break; } - case UPDATE_NONE: - break; - } - - if (copy && camel_stream_printf(out, "%s\n", line) == -1) - goto fail; - - g_free(line); - line = NULL; - } - - /* add to end? */ - if (mode == UPDATE_ADD && camel_stream_printf(out, "%s\n", folder) == -1) - goto fail; - - if (camel_stream_close(out) == -1) - goto fail; - -done: - /* should we care if this fails? I suppose so ... */ - rename(tmpnew, tmp); -fail: - unlink(tmpnew); /* remove it if its there */ - g_free(line); - if (in) - camel_object_unref(in); - if (out) - camel_object_unref(out); -} - -static CamelFolder * -get_folder(CamelStore * store, const char *folder_name, guint32 flags, CamelException * ex) -{ - char *name; - struct stat st; - - if (!((CamelStoreClass *)parent_class)->get_folder(store, folder_name, flags, ex)) - return NULL; - - name = g_strdup_printf("%s%s", CAMEL_LOCAL_STORE(store)->toplevel_dir, folder_name); - - if (stat(name, &st) == -1) { - if (errno != ENOENT) { - camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, - _("Cannot get folder `%s': %s"), - folder_name, g_strerror (errno)); - g_free (name); - return NULL; - } - if ((flags & CAMEL_STORE_FOLDER_CREATE) == 0) { - camel_exception_setv(ex, CAMEL_EXCEPTION_STORE_NO_FOLDER, - _("Cannot get folder `%s': folder does not exist."), - folder_name); - g_free (name); - return NULL; - } - - if (mkdir(name, 0777) != 0) { - camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, - _("Could not create folder `%s': %s"), - folder_name, g_strerror (errno)); - g_free (name); - return NULL; - } - - /* add to .folders if we are supposed to */ - /* FIXME: throw exception on error */ - if (((CamelMhStore *)store)->flags & CAMEL_MH_DOTFOLDERS) - folders_update(((CamelLocalStore *)store)->toplevel_dir, folder_name, UPDATE_ADD); - } else if (!S_ISDIR(st.st_mode)) { - camel_exception_setv(ex, CAMEL_EXCEPTION_STORE_NO_FOLDER, - _("Cannot get folder `%s': not a directory."), folder_name); - g_free (name); - return NULL; - } else if (flags & CAMEL_STORE_FOLDER_EXCL) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("Cannot create folder `%s': folder exists."), folder_name); - g_free (name); - return NULL; - } - - g_free(name); - - return camel_mh_folder_new(store, folder_name, flags, ex); -} - -static CamelFolder * -get_inbox (CamelStore *store, CamelException *ex) -{ - return get_folder (store, "inbox", 0, ex); -} - -static void delete_folder(CamelStore * store, const char *folder_name, CamelException * ex) -{ - char *name; - - /* remove folder directory - will fail if not empty */ - name = g_strdup_printf("%s%s", CAMEL_LOCAL_STORE(store)->toplevel_dir, folder_name); - if (rmdir(name) == -1) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("Could not delete folder `%s': %s"), - folder_name, g_strerror (errno)); - g_free(name); - return; - } - g_free(name); - - /* remove from .folders if we are supposed to */ - if (((CamelMhStore *)store)->flags & CAMEL_MH_DOTFOLDERS) - folders_update(((CamelLocalStore *)store)->toplevel_dir, folder_name, UPDATE_REMOVE); - - /* and remove metadata */ - ((CamelStoreClass *)parent_class)->delete_folder(store, folder_name, ex); -} - -static void -rename_folder(CamelStore *store, const char *old, const char *new, CamelException *ex) -{ - CamelException e; - - camel_exception_init(&e); - ((CamelStoreClass *)parent_class)->rename_folder(store, old, new, &e); - if (camel_exception_is_set(&e)) { - camel_exception_xfer(ex, &e); - return; - } - camel_exception_clear(&e); - - if (((CamelMhStore *)store)->flags & CAMEL_MH_DOTFOLDERS) { - /* yeah this is messy, but so is mh! */ - folders_update(((CamelLocalStore *)store)->toplevel_dir, new, UPDATE_ADD); - folders_update(((CamelLocalStore *)store)->toplevel_dir, old, UPDATE_REMOVE); - } -} - -static void -fill_fi(CamelStore *store, CamelFolderInfo *fi, guint32 flags) -{ - CamelFolder *folder; - - folder = camel_object_bag_get(store->folders, fi->full_name); - if (folder) { - if ((flags & CAMEL_STORE_FOLDER_INFO_FAST) == 0) - camel_folder_refresh_info(folder, NULL); - fi->unread = camel_folder_get_unread_message_count(folder); - fi->total = camel_folder_get_message_count(folder); - camel_object_unref(folder); - } else { - char *path, *folderpath; - CamelFolderSummary *s; - const char *root; - - /* This should be fast enough not to have to test for INFO_FAST */ - - /* We could: if we have no folder, and FAST isn't specified, perform a full - scan of all messages for their status flags. But its probably not worth - it as we need to read the top of every file, i.e. very very slow */ - - root = camel_local_store_get_toplevel_dir((CamelLocalStore *)store); - path = g_strdup_printf("%s/%s.ev-summary", root, fi->full_name); - folderpath = g_strdup_printf("%s/%s", root, fi->full_name); - s = (CamelFolderSummary *)camel_mh_summary_new(path, folderpath, NULL); - if (camel_folder_summary_header_load(s) != -1) { - fi->unread = s->unread_count; - fi->total = s->saved_count; - } - camel_object_unref(s); - g_free(folderpath); - g_free(path); - } -} - -static CamelFolderInfo * -folder_info_new (CamelStore *store, CamelURL *url, const char *root, const char *path, guint32 flags) -{ - /* FIXME: need to set fi->flags = CAMEL_FOLDER_NOSELECT (and possibly others) when appropriate */ - CamelFolderInfo *fi; - char *base; - - base = strrchr(path, '/'); - - camel_url_set_fragment (url, path); - - /* Build the folder info structure. */ - fi = g_malloc0(sizeof(*fi)); - fi->uri = camel_url_to_string (url, 0); - fi->full_name = g_strdup(path); - fi->name = g_strdup(base?base+1:path); - camel_folder_info_build_path(fi, '/'); - fill_fi(store, fi, flags); - - d(printf("New folderinfo:\n '%s'\n '%s'\n '%s'\n", fi->full_name, fi->uri, fi->path)); - - return fi; -} - -/* used to find out where we've visited already */ -struct _inode { - dev_t dnode; - ino_t inode; -}; - -/* Scan path, under root, for directories to add folders for. Both - * root and path should have a trailing "/" if they aren't empty. */ -static void -recursive_scan (CamelStore *store, CamelURL *url, CamelFolderInfo **fip, CamelFolderInfo *parent, - GHashTable *visited, const char *root, const char *path, guint32 flags) -{ - char *fullpath, *tmp; - DIR *dp; - struct dirent *d; - struct stat st; - CamelFolderInfo *fi; - struct _inode in, *inew; - - /* Open the specified directory. */ - if (path[0]) { - fullpath = alloca (strlen (root) + strlen (path) + 2); - sprintf (fullpath, "%s/%s", root, path); - } else - fullpath = (char *)root; - - if (stat(fullpath, &st) == -1 || !S_ISDIR(st.st_mode)) - return; - - in.dnode = st.st_dev; - in.inode = st.st_ino; - - /* see if we've visited already */ - if (g_hash_table_lookup(visited, &in) != NULL) - return; - - inew = g_malloc(sizeof(*inew)); - *inew = in; - g_hash_table_insert(visited, inew, inew); - - /* link in ... */ - fi = folder_info_new(store, url, root, path, flags); - fi->parent = parent; - fi->next = *fip; - *fip = fi; - - if (((flags & CAMEL_STORE_FOLDER_INFO_RECURSIVE) || parent == NULL)) { - /* now check content for possible other directories */ - dp = opendir(fullpath); - if (dp == NULL) - return; - - /* Look for subdirectories to add and scan. */ - while ((d = readdir(dp)) != NULL) { - /* Skip current and parent directory. */ - if (strcmp(d->d_name, ".") == 0 - || strcmp(d->d_name, "..") == 0) - continue; - - /* skip fully-numerical entries (i.e. mh messages) */ - strtoul(d->d_name, &tmp, 10); - if (*tmp == 0) - continue; - - /* otherwise, treat at potential node, and recurse, a bit more expensive than needed, but tough! */ - if (path[0]) { - tmp = g_strdup_printf("%s/%s", path, d->d_name); - recursive_scan(store, url, &fi->child, fi, visited, root, tmp, flags); - g_free(tmp); - } else { - recursive_scan(store, url, &fi->child, fi, visited, root, d->d_name, flags); - } - } - - closedir(dp); - } -} - -/* scan a .folders file */ -static void -folders_scan(CamelStore *store, CamelURL *url, const char *root, const char *top, CamelFolderInfo **fip, guint32 flags) -{ - CamelFolderInfo *fi; - char line[512], *path, *tmp; - CamelStream *stream, *in; - struct stat st; - GPtrArray *folders; - GHashTable *visited; - int len; - - tmp = g_alloca (strlen (root) + 16); - sprintf (tmp, "%s/.folders", root); - stream = camel_stream_fs_new_with_name(tmp, 0, O_RDONLY); - if (stream == NULL) - return; - - in = camel_stream_buffer_new(stream, CAMEL_STREAM_BUFFER_READ); - camel_object_unref(stream); - if (in == NULL) - return; - - visited = g_hash_table_new(g_str_hash, g_str_equal); - folders = g_ptr_array_new(); - - while ( (len = camel_stream_buffer_gets((CamelStreamBuffer *)in, line, sizeof(line))) > 0) { - /* ignore blank lines */ - if (len <= 1) - continue; - /* check for invalidly long lines, we abort evreything and fallback */ - if (line[len-1] != '\n') { - int i; - - for (i=0;i<folders->len;i++) - camel_folder_info_free(folders->pdata[i]); - g_ptr_array_set_size(folders, 0); - break; - } - line[len-1] = 0; - - /* check for \r ? */ - - if (top && top[0]) { - int toplen = strlen(top); - - /* check is subdir */ - if (strncmp(top, line, len) != 0) - continue; - - /* check is not sub-subdir if not recursive */ - if ((flags & CAMEL_STORE_FOLDER_INFO_RECURSIVE) == 0 - && (tmp = strrchr(line, '/')) - && tmp > line+toplen) - continue; - } - - if (g_hash_table_lookup(visited, line) != NULL) - continue; - - tmp = g_strdup(line); - g_hash_table_insert(visited, tmp, tmp); - - path = g_strdup_printf("%s/%s", root, line); - if (stat(path, &st) == 0 && S_ISDIR(st.st_mode)) { - fi = folder_info_new(store, url, root, line, flags); - g_ptr_array_add(folders, fi); - } - g_free(path); - } - - if (folders->len) - *fip = camel_folder_info_build(folders, NULL, '/', TRUE); - g_ptr_array_free(folders, TRUE); - - g_hash_table_foreach(visited, (GHFunc)g_free, NULL); - g_hash_table_destroy(visited); - - camel_object_unref(in); -} - -/* FIXME: move to camel-local, this is shared with maildir code */ -static guint inode_hash(const void *d) -{ - const struct _inode *v = d; - - return v->inode ^ v->dnode; -} - -static gboolean inode_equal(const void *a, const void *b) -{ - const struct _inode *v1 = a, *v2 = b; - - return v1->inode == v2->inode && v1->dnode == v2->dnode; -} - -static void inode_free(void *k, void *v, void *d) -{ - g_free(k); -} - -static CamelFolderInfo * -get_folder_info (CamelStore *store, const char *top, guint32 flags, CamelException *ex) -{ - CamelFolderInfo *fi = NULL; - CamelURL *url; - char *root; - - root = ((CamelService *)store)->url->path; - - url = camel_url_copy (((CamelService *) store)->url); - - /* use .folders if we are supposed to */ - if (((CamelMhStore *)store)->flags & CAMEL_MH_DOTFOLDERS) { - folders_scan(store, url, root, top, &fi, flags); - } else { - GHashTable *visited = g_hash_table_new(inode_hash, inode_equal); - - if (top == NULL) - top = ""; - - recursive_scan(store, url, &fi, NULL, visited, root, top, flags); - - /* if we actually scanned from root, we have a "" root node we dont want */ - if (fi != NULL && top[0] == 0) { - CamelFolderInfo *rfi; - - rfi = fi; - fi = rfi->child; - rfi->child = NULL; - camel_folder_info_free(rfi); - } - - g_hash_table_foreach(visited, inode_free, NULL); - g_hash_table_destroy(visited); - } - - camel_url_free (url); - - return fi; -} |