new-file new file

	* addressbook/backend/pas/pas-backend-ldap.h: new-file
	* addressbook/backend/pas/pas-backend-ldap.c: new file

both still in the "do not enter" stage.

svn path=/trunk/; revision=2263

1 files changed, 519 insertions, 0 deletions

diff --git a/addressbook/backend/pas/pas-backend-ldap.c b/addressbook/backend/pas/pas-backend-ldap.c
new file mode 100644
index 0000000000..0f95aa5484
--- /dev/null
+++ b/addressbook/backend/pas/pas-backend-ldap.c
@@ -0,0 +1,519 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Author:
+ *   Nat Friedman (nat@helixcode.com)
+ *
+ * Copyright 2000, Helix Code, Inc.
+ */
+
+#include "config.h"  
+#include <gtk/gtksignal.h>
+#include <fcntl.h>
+#include <time.h>
+#include <lber.h>
+#include <ldap.h>
+
+#include "pas-backend-ldap.h"
+#include "pas-book.h"
+#include "pas-card-cursor.h"
+
+static PASBackendClass *pas_backend_ldap_parent_class;
+typedef struct _PASBackendLDAPCursorPrivate PASBackendLDAPCursorPrivate;
+
+struct _PASBackendLDAPPrivate {
+	gboolean connected;
+	GList    *clients;
+	LDAP     *ldap;
+};
+
+struct _PASBackendLDAPCursorPrivate {
+	PASBackend *backend;
+	PASBook    *book;
+
+	GList      *elements;
+	int        num_elements;
+};
+
+static long
+get_length(PASCardCursor *cursor, gpointer data)
+{
+	PASBackendLDAPCursorPrivate *cursor_data = (PASBackendLDAPCursorPrivate *) data;
+
+	return cursor_data->num_elements;
+}
+
+static char *
+get_nth(PASCardCursor *cursor, long n, gpointer data)
+{
+	return g_strdup("");
+}
+
+static void
+cursor_destroy(GtkObject *object, gpointer data)
+{
+	CORBA_Environment ev;
+	Evolution_Book corba_book;
+	PASBackendLDAPCursorPrivate *cursor_data = (PASBackendLDAPCursorPrivate *) data;
+
+	corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(cursor_data->book));
+
+	CORBA_exception_init(&ev);
+
+	Evolution_Book_unref(corba_book, &ev);
+	
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		g_warning("cursor_destroy: Exception unreffing "
+			  "corba book.\n");
+	}
+
+	CORBA_exception_free(&ev);
+
+	/* free the ldap specific cursor information */
+
+
+	g_free(cursor_data);
+}
+
+static char *
+pas_backend_ldap_create_unique_id (char *vcard)
+{
+	/* use a 32 counter and the 32 bit timestamp to make an id.
+	   it's doubtful 2^32 id's will be created in a second, so we
+	   should be okay. */
+	static guint c = 0;
+	return g_strdup_printf ("pas-id-%08lX%08X", time(NULL), c++);
+}
+
+static void
+pas_backend_ldap_process_create_card (PASBackend *backend,
+				      PASBook    *book,
+				      PASRequest *req)
+{
+	PASBackendLDAP *bl = PAS_BACKEND_LDAP (backend);
+	LDAP           *ldap = bl->priv->ldap;
+	int            ldap_error;
+	char           *id;
+
+	id = pas_backend_ldap_create_unique_id (req->vcard);
+
+	/* XXX use ldap_add_s */
+
+	if (LDAP_SUCCESS == ldap_error) {
+		pas_book_notify_add(book, id);
+
+		pas_book_respond_create (
+				 book,
+				 Evolution_BookListener_Success,
+				 id);
+	}
+	else {
+		/* XXX need a different call status for this case, i
+                   think */
+		pas_book_respond_create (
+				 book,
+				 Evolution_BookListener_CardNotFound,
+				 "");
+	}
+
+	g_free (id);
+	g_free (req->vcard);
+}
+
+static void
+pas_backend_ldap_process_remove_card (PASBackend *backend,
+				      PASBook    *book,
+				      PASRequest *req)
+{
+	PASBackendLDAP *bl = PAS_BACKEND_LDAP (backend);
+	LDAP           *ldap = bl->priv->ldap;
+	int            ldap_error;
+
+	/* XXX use ldap_delete_s */
+
+	if (LDAP_SUCCESS == ldap_error) {
+		pas_book_notify_remove (book, req->id);
+
+		pas_book_respond_remove (
+				  book,
+				  Evolution_BookListener_Success);
+	}
+	else {
+		pas_book_respond_remove (
+				 book,
+				 Evolution_BookListener_CardNotFound);
+	}
+
+	g_free (req->id);
+}
+
+static void
+pas_backend_ldap_build_all_cards_list(PASBackend *backend,
+				      PASBackendLDAPCursorPrivate *cursor_data)
+{
+	PASBackendLDAP *bl = PAS_BACKEND_LDAP (backend);
+	LDAP           *ldap = bl->priv->ldap;
+	int            ldap_error;
+	LDAPMessage    *res, *e;
+
+
+	if (ldap_search_s (ldap, NULL, LDAP_SCOPE_ONELEVEL,
+			   "(objectclass=*)",
+			   NULL, 0, &res) == -1) {
+		ldap_perror (ldap, "ldap_search");
+	}
+
+	cursor_data->elements = NULL;
+
+	cursor_data->num_elements = ldap_count_entries (ldap, res);
+
+	e = ldap_first_entry(ldap, res);
+
+	while (NULL != e) {
+
+		/* for now just make a list of the dn's */
+#if 0
+		for ( a = ldap_first_attribute( ldap, e, &ber ); a != NULL;
+		      a = ldap_next_attribute( ldap, e, ber ) ) {
+		}
+#else
+		cursor_data->elements = g_list_prepend(cursor_data->elements,
+						       g_strdup(ldap_get_dn(ldap, e)));
+#endif
+
+		e = ldap_next_entry(ldap, e);
+	}
+
+	ldap_msgfree(res);
+}
+
+static void
+pas_backend_ldap_process_modify_card (PASBackend *backend,
+				      PASBook    *book,
+				      PASRequest *req)
+{
+	PASBackendLDAP *bl = PAS_BACKEND_LDAP (backend);
+	LDAP           *ldap = bl->priv->ldap;
+	int            ldap_error;
+
+	/* XXX use ldap_modify_s */
+
+	if (LDAP_SUCCESS == ldap_error) {
+
+		pas_book_notify_change (book, req->id);
+
+		pas_book_respond_modify (
+				 book,
+				 Evolution_BookListener_Success);
+	}
+	else {
+		pas_book_respond_modify (
+				 book,
+				 Evolution_BookListener_CardNotFound);
+	}
+
+	g_free (req->vcard);
+}
+
+static void
+pas_backend_ldap_process_get_all_cards (PASBackend *backend,
+					PASBook    *book,
+					PASRequest *req)
+{
+	CORBA_Environment ev;
+	PASBackendLDAPCursorPrivate *cursor_data;
+	int            ldap_error = 0;
+	PASCardCursor *cursor;
+	Evolution_Book corba_book;
+
+	cursor_data = g_new(PASBackendLDAPCursorPrivate, 1);
+	cursor_data->backend = backend;
+	cursor_data->book = book;
+
+	pas_backend_ldap_build_all_cards_list(backend, cursor_data);
+
+	corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(book));
+
+	CORBA_exception_init(&ev);
+
+	Evolution_Book_ref(corba_book, &ev);
+	
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		g_warning("pas_backend_file_process_get_all_cards: Exception reffing "
+			  "corba book.\n");
+	}
+
+	CORBA_exception_free(&ev);
+	
+	cursor = pas_card_cursor_new(get_length,
+				     get_nth,
+				     cursor_data);
+
+	gtk_signal_connect(GTK_OBJECT(cursor), "destroy",
+			   GTK_SIGNAL_FUNC(cursor_destroy), cursor_data);
+	
+	pas_book_respond_get_cursor (
+		book,
+		(ldap_error == 0 
+		 ? Evolution_BookListener_Success 
+		 : Evolution_BookListener_CardNotFound),
+		cursor);
+}
+
+static void
+pas_backend_ldap_process_check_connection (PASBackend *backend,
+					   PASBook    *book,
+					   PASRequest *req)
+{
+	PASBackendLDAP *bl = PAS_BACKEND_LDAP (backend);
+
+	pas_book_report_connection (book, bl->priv->connected);
+}
+
+static void
+pas_backend_ldap_process_client_requests (PASBook *book)
+{
+	PASBackend *backend;
+	PASRequest *req;
+
+	backend = pas_book_get_backend (book);
+
+	req = pas_book_pop_request (book);
+	if (req == NULL)
+		return;
+
+	switch (req->op) {
+	case CreateCard:
+		pas_backend_ldap_process_create_card (backend, book, req);
+		break;
+
+	case RemoveCard:
+		pas_backend_ldap_process_remove_card (backend, book, req);
+		break;
+
+	case ModifyCard:
+		pas_backend_ldap_process_modify_card (backend, book, req);
+		break;
+
+	case CheckConnection:
+		pas_backend_ldap_process_check_connection (backend, book, req);
+		break;
+		
+	case GetAllCards:
+		pas_backend_ldap_process_get_all_cards (backend, book, req);
+		break;
+	}
+
+	g_free (req);
+}
+
+static void
+pas_backend_ldap_book_destroy_cb (PASBook *book)
+{
+	PASBackendLDAP *backend;
+
+	backend = PAS_BACKEND_LDAP (pas_book_get_backend (book));
+
+	pas_backend_remove_client (PAS_BACKEND (backend), book);
+}
+
+static char *
+pas_backend_ldap_get_vcard (PASBook *book, const char *id)
+{
+	PASBackendLDAP *bl;
+	LDAP           *ldap;
+	int            ldap_error;
+
+	bl = PAS_BACKEND_LDAP (pas_book_get_backend (book));
+	ldap = bl->priv->ldap;
+
+	/* XXX use ldap_search */
+
+	if (LDAP_SUCCESS == ldap_error) {
+		/* success */
+		return g_strdup ("");
+	}
+	else {
+		return g_strdup ("");
+	}
+}
+
+static void
+pas_backend_ldap_load_uri (PASBackend             *backend,
+			   const char             *uri)
+{
+	PASBackendLDAP *bl = PAS_BACKEND_LDAP (backend);
+	LDAPURLDesc    *lud;
+	int ldap_error;
+
+	g_assert (bl->priv->connected == FALSE);
+
+#if 0
+	ldap_error = ldap_url_parse (uri, &lud);
+	if (LDAP_SUCCESS == ldap_error) {
+		bl->priv->ldap = ldap_open (lud->lud_host, lud->lud_port);
+		if (NULL != bl->priv->ldap)
+			bl->priv->connected = TRUE;
+		else
+			g_warning ("pas_backend_ldap_load_uri failed for '%s' (error %s)\n",
+				   uri, ldap_err2string(ldap_error));
+
+		ldap_free_urldesc(lud);
+	}
+	else {
+		g_warning ("pas_backend_ldap_load_uri failed for '%s' (error %s)\n",
+			   uri, ldap_err2string(ldap_error));
+	}
+#else
+	bl->priv->ldap = ldap_init ("ldap.bigfoot.com", 389);
+	if (NULL != bl->priv->ldap)
+		bl->priv->connected = TRUE;
+	else
+		g_warning ("pas_backend_ldap_load_uri failed for '%s' (error %s)\n",
+			   uri, ldap_err2string(ldap_error));
+
+	ldap_bind_s(bl->priv->ldap, NULL /*binddn*/, NULL /*passwd*/, LDAP_AUTH_SIMPLE);
+
+#endif
+}
+
+static void
+pas_backend_ldap_add_client (PASBackend             *backend,
+			     Evolution_BookListener  listener)
+{
+	PASBackendLDAP *bl;
+	PASBook        *book;
+
+	g_assert (backend != NULL);
+	g_assert (PAS_IS_BACKEND_LDAP (backend));
+
+	bl = PAS_BACKEND_LDAP (backend);
+
+	book = pas_book_new (
+		backend, listener,
+		pas_backend_ldap_get_vcard);
+
+	g_assert (book != NULL);
+
+	gtk_signal_connect (GTK_OBJECT (book), "destroy",
+		    pas_backend_ldap_book_destroy_cb, NULL);
+
+	gtk_signal_connect (GTK_OBJECT (book), "requests_queued",
+		    pas_backend_ldap_process_client_requests, NULL);
+
+	bl->priv->clients = g_list_prepend (
+		bl->priv->clients, book);
+
+	if (bl->priv->connected) {
+		pas_book_respond_open (
+			book, Evolution_BookListener_Success);
+	} else {
+		/* Open the book. */
+		pas_book_respond_open (
+			book, Evolution_BookListener_Success);
+	}
+}
+
+static void
+pas_backend_ldap_remove_client (PASBackend             *backend,
+				PASBook                *book)
+{
+	g_return_if_fail (backend != NULL);
+	g_return_if_fail (PAS_IS_BACKEND (backend));
+	g_return_if_fail (book != NULL);
+	g_return_if_fail (PAS_IS_BOOK (book));
+
+	g_warning ("pas_backend_ldap_remove_client: Unimplemented!\n");
+}
+
+static gboolean
+pas_backend_ldap_construct (PASBackendLDAP *backend)
+{
+	g_assert (backend != NULL);
+	g_assert (PAS_IS_BACKEND_LDAP (backend));
+
+	if (! pas_backend_construct (PAS_BACKEND (backend)))
+		return FALSE;
+
+	return TRUE;
+}
+
+/**
+ * pas_backend_ldap_new:
+ */
+PASBackend *
+pas_backend_ldap_new (void)
+{
+	PASBackendLDAP *backend;
+
+	backend = gtk_type_new (pas_backend_ldap_get_type ());
+
+	if (! pas_backend_ldap_construct (backend)) {
+		gtk_object_unref (GTK_OBJECT (backend));
+
+		return NULL;
+	}
+
+	return PAS_BACKEND (backend);
+}
+
+static void
+pas_backend_ldap_destroy (GtkObject *object)
+{
+	GTK_OBJECT_CLASS (pas_backend_ldap_parent_class)->destroy (object);	
+}
+
+static void
+pas_backend_ldap_class_init (PASBackendLDAPClass *klass)
+{
+	GtkObjectClass  *object_class = (GtkObjectClass *) klass;
+	PASBackendClass *parent_class;
+
+	pas_backend_ldap_parent_class = gtk_type_class (pas_backend_get_type ());
+
+	parent_class = PAS_BACKEND_CLASS (klass);
+
+	/* Set the virtual methods. */
+	parent_class->load_uri      = pas_backend_ldap_load_uri;
+	parent_class->add_client    = pas_backend_ldap_add_client;
+	parent_class->remove_client = pas_backend_ldap_remove_client;
+
+	object_class->destroy = pas_backend_ldap_destroy;
+}
+
+static void
+pas_backend_ldap_init (PASBackendLDAP *backend)
+{
+	PASBackendLDAPPrivate *priv;
+
+	priv          = g_new0 (PASBackendLDAPPrivate, 1);
+	priv->connected  = FALSE;
+	priv->clients = NULL;
+
+	backend->priv = priv;
+}
+
+/**
+ * pas_backend_ldap_get_type:
+ */
+GtkType
+pas_backend_ldap_get_type (void)
+{
+	static GtkType type = 0;
+
+	if (! type) {
+		GtkTypeInfo info = {
+			"PASBackendLDAP",
+			sizeof (PASBackendLDAP),
+			sizeof (PASBackendLDAPClass),
+			(GtkClassInitFunc)  pas_backend_ldap_class_init,
+			(GtkObjectInitFunc) pas_backend_ldap_init,
+			NULL, /* reserved 1 */
+			NULL, /* reserved 2 */
+			(GtkClassInitFunc) NULL
+		};
+
+		type = gtk_type_unique (pas_backend_get_type (), &info);
+	}
+
+	return type;
+}