/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2009 Index Data
+ * Copyright (C) 1995-2010 Index Data
* See the file LICENSE for details.
*/
/** \file client.c
static int scan_position = 1;
static int scan_size = 20;
static char cur_host[200];
-static int last_hit_count = 0;
+static Odr_int last_hit_count = 0;
typedef enum {
QueryType_Prefix,
static void marc_file_write(const char *buf, size_t sz);
static void wait_and_handle_response(int one_response_only);
+static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url);
ODR getODROutputStream(void)
{
}
#if YAZ_HAVE_XML2
-static int send_srw(Z_SRW_PDU *sr)
+static int send_gdu(Z_GDU *gdu)
{
- const char *charset = negotiationCharset;
- const char *host_port = cur_host;
- Z_GDU *gdu;
- char *path = yaz_encode_sru_dbpath_odr(out, databaseNames[0]);
-
- gdu = z_get_HTTP_Request_host_path(out, host_port, path);
-
- if (!yaz_matchstr(sru_method, "get"))
- {
- yaz_sru_get_encode(gdu->u.HTTP_Request, sr, out, charset);
- }
- else if (!yaz_matchstr(sru_method, "post"))
- {
- yaz_sru_post_encode(gdu->u.HTTP_Request, sr, out, charset);
- }
- else if (!yaz_matchstr(sru_method, "soap"))
- {
- yaz_sru_soap_encode(gdu->u.HTTP_Request, sr, out, charset);
- }
-
if (z_GDU(out, &gdu, 0, 0))
{
/* encode OK */
}
return 0;
}
+
+static int send_srw_host_path(Z_SRW_PDU *sr, const char *host_port,
+ char *path)
+{
+ const char *charset = negotiationCharset;
+ Z_GDU *gdu;
+
+ gdu = z_get_HTTP_Request_host_path(out, host_port, path);
+
+ if (auth)
+ {
+ if (auth->which == Z_IdAuthentication_open)
+ {
+ char **darray;
+ int num;
+ nmem_strsplit(out->mem, "/", auth->u.open, &darray, &num);
+ if (num >= 1)
+ sr->username = darray[0];
+ if (num >= 2)
+ sr->password = darray[1];
+ }
+ else if (auth->which == Z_IdAuthentication_idPass)
+ {
+ sr->username = auth->u.idPass->userId;
+ sr->password = auth->u.idPass->password;
+ }
+ }
+
+ if (!yaz_matchstr(sru_method, "get"))
+ {
+ yaz_sru_get_encode(gdu->u.HTTP_Request, sr, out, charset);
+ }
+ else if (!yaz_matchstr(sru_method, "post"))
+ {
+ yaz_sru_post_encode(gdu->u.HTTP_Request, sr, out, charset);
+ }
+ else if (!yaz_matchstr(sru_method, "soap"))
+ {
+ yaz_sru_soap_encode(gdu->u.HTTP_Request, sr, out, charset);
+ }
+ return send_gdu(gdu);
+}
+
+static int send_srw(Z_SRW_PDU *sr)
+{
+ char *path = yaz_encode_sru_dbpath_odr(out, databaseNames[0]);
+ return send_srw_host_path(sr, cur_host, path);
+}
+
+static int send_SRW_redirect(const char *uri, Z_HTTP_Response *cookie_hres)
+{
+ const char *username = 0;
+ const char *password = 0;
+ struct Z_HTTP_Header *h;
+ Z_GDU *gdu = get_HTTP_Request_url(out, uri);
+
+ gdu->u.HTTP_Request->method = odr_strdup(out, "GET");
+ z_HTTP_header_add(out, &gdu->u.HTTP_Request->headers, "Accept",
+ "text/xml");
+
+ for (h = cookie_hres->headers; h; h = h->next)
+ {
+ if (!strcmp(h->name, "Set-Cookie"))
+ z_HTTP_header_add(out, &gdu->u.HTTP_Request->headers,
+ "Cookie", h->value);
+ }
+
+ if (auth)
+ {
+ if (auth->which == Z_IdAuthentication_open)
+ {
+ char **darray;
+ int num;
+ nmem_strsplit(out->mem, "/", auth->u.open, &darray, &num);
+ if (num >= 1)
+ username = darray[0];
+ if (num >= 2)
+ password = darray[1];
+ }
+ else if (auth->which == Z_IdAuthentication_idPass)
+ {
+ username = auth->u.idPass->userId;
+ password = auth->u.idPass->password;
+ }
+ }
+
+ if (username && password)
+ {
+ z_HTTP_header_add_basic_auth(out, &gdu->u.HTTP_Request->headers,
+ username, password);
+ }
+
+ return send_gdu(gdu);
+}
#endif
#if YAZ_HAVE_XML2
return r;
}
-static Z_External *create_external_ILL_APDU(int which)
+static Z_External *create_external_ILL_APDU(void)
{
struct ill_get_ctl ctl;
ILL_APDU *ill_apdu;
{
printf("using ILL-request\n");
r->u.itemOrder->u.esRequest->notToKeep->itemRequest =
- create_external_ILL_APDU(ILL_APDU_ILL_Request);
+ create_external_ILL_APDU();
}
else if (!strcmp(type, "xml") || !strcmp(type, "3"))
{
return 2;
}
+static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url)
+{
+ Z_GDU *p = z_get_HTTP_Request(odr);
+ const char *host = url;
+ const char *cp0 = strstr(host, "://");
+ const char *cp1 = 0;
+ if (cp0)
+ cp0 = cp0+3;
+ else
+ cp0 = host;
+
+ cp1 = strchr(cp0, '/');
+ if (!cp1)
+ cp1 = cp0 + strlen(cp0);
+
+ if (cp0 && cp1)
+ {
+ char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1);
+ memcpy (h, cp0, cp1 - cp0);
+ h[cp1-cp0] = '\0';
+ z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h);
+ }
+ p->u.HTTP_Request->path = odr_strdup(odr, *cp1 ? cp1 : "/");
+ return p;
+}
+
+static WRBUF get_url(const char *uri, WRBUF username, WRBUF password,
+ int *code, int show_headers)
+{
+ WRBUF result = 0;
+ ODR out = odr_createmem(ODR_ENCODE);
+ ODR in = odr_createmem(ODR_DECODE);
+ Z_GDU *gdu = get_HTTP_Request_url(out, uri);
+
+ gdu->u.HTTP_Request->method = odr_strdup(out, "GET");
+ if (username && password)
+ {
+ z_HTTP_header_add_basic_auth(out, &gdu->u.HTTP_Request->headers,
+ wrbuf_cstr(username),
+ wrbuf_cstr(password));
+ }
+ z_HTTP_header_add(out, &gdu->u.HTTP_Request->headers, "Accept",
+ "text/xml");
+ if (!z_GDU(out, &gdu, 0, 0))
+ {
+ yaz_log(YLOG_WARN, "Can not encode HTTP request URL:%s", uri);
+ }
+ else
+ {
+ void *add;
+ COMSTACK conn = cs_create_host(uri, 1, &add);
+ if (cs_connect(conn, add) < 0)
+ yaz_log(YLOG_WARN, "Can not connect to URL:%s", uri);
+ else
+ {
+ int len;
+ char *buf = odr_getbuf(out, &len, 0);
+
+ if (cs_put(conn, buf, len) < 0)
+ yaz_log(YLOG_WARN, "cs_put failed URL:%s", uri);
+ else
+ {
+ char *netbuffer = 0;
+ int netlen = 0;
+ int res = cs_get(conn, &netbuffer, &netlen);
+ if (res <= 0)
+ {
+ yaz_log(YLOG_WARN, "cs_get failed URL:%s", uri);
+ }
+ else
+ {
+ Z_GDU *gdu;
+ odr_setbuf(in, netbuffer, res, 0);
+ if (!z_GDU(in, &gdu, 0, 0)
+ || gdu->which != Z_GDU_HTTP_Response)
+ {
+ yaz_log(YLOG_WARN, "decode failed URL: %s", uri);
+ }
+ else
+ {
+ Z_HTTP_Response *res = gdu->u.HTTP_Response;
+ struct Z_HTTP_Header *h;
+ result = wrbuf_alloc();
+ if (show_headers)
+ {
+
+ wrbuf_printf(result, "HTTP %d\n", res->code);
+ for (h = res->headers; h; h = h->next)
+ wrbuf_printf(result, "%s: %s\n",
+ h->name, h->value);
+ }
+ *code = res->code;
+ wrbuf_write(result, res->content_buf, res->content_len);
+ }
+ }
+ xfree(netbuffer);
+ }
+ cs_close(conn);
+ }
+ }
+ odr_destroy(out);
+ odr_destroy(in);
+ return result;
+}
+
+
+static int cmd_url(const char *arg)
+{
+ int code = 0;
+ WRBUF res = get_url(arg, 0, 0, &code, 1);
+ if (res)
+ {
+ if (wrbuf_len(res) > 1200)
+ {
+ fwrite(wrbuf_buf(res), 1, 1200, stdout);
+ printf(".. out of %lld\n", (long long) wrbuf_len(res));
+ }
+ else
+ puts(wrbuf_cstr(res));
+ wrbuf_destroy(res);
+ }
+ return 0;
+}
+
static int cmd_sru(const char *arg)
{
if (!*arg)
/* PRESENT SERVICE ----------------------------- */
-static void parse_show_args(const char *arg_c, char *setstring,
- Odr_int *start, Odr_int *number)
+static int parse_show_args(const char *arg_c, char *setstring,
+ Odr_int *start, Odr_int *number)
{
- char arg[40];
- char *p;
+ char *end_ptr;
- strncpy(arg, arg_c, sizeof(arg)-1);
- arg[sizeof(arg)-1] = '\0';
+ if (setnumber >= 0)
+ sprintf(setstring, "%d", setnumber);
+ else
+ *setstring = '\0';
- if ((p = strchr(arg, '+')))
+ if (!strcmp(arg_c, "all"))
{
- *number = atoi(p + 1);
- *p = '\0';
+ *number = last_hit_count;
+ *start = 1;
}
- if (*arg)
+ *start = odr_strtol(arg_c, &end_ptr, 10);
+ if (end_ptr == arg_c || *end_ptr == '\0')
+ return 1;
+ while (isspace(*(unsigned char *)end_ptr))
+ end_ptr++;
+ if (*end_ptr != '+')
{
- if (!strcmp(arg, "all"))
- {
- *number = last_hit_count;
- *start = 1;
- }
- else
- *start = atoi(arg);
+ printf("Bad show arg: expected +. Got %s\n", end_ptr);
+ return 0;
}
- if (p && (p=strchr(p+1, '+')))
- strcpy(setstring, p+1);
- else if (setnumber >= 0)
- sprintf(setstring, "%d", setnumber);
- else
- *setstring = '\0';
+ end_ptr++;
+ arg_c = end_ptr;
+ *number = odr_strtol(arg_c, &end_ptr, 10);
+ if (end_ptr == arg_c)
+ {
+ printf("Bad show arg: expected number after +\n");
+ return 0;
+ }
+ if (*end_ptr == '\0')
+ return 1;
+ while (isspace(*(unsigned char *)end_ptr))
+ end_ptr++;
+ if (*end_ptr != '+')
+ {
+ printf("Bad show arg: + expected. Got %s\n", end_ptr);
+ return 0;
+ }
+ strcpy(setstring, end_ptr+1);
+ return 1;
}
static int send_presentRequest(const char *arg)
req->referenceId = set_refid(out);
- parse_show_args(arg, setstring, &setno, &nos);
+ if (!parse_show_args(arg, setstring, &setno, &nos))
+ return 0;
if (*setstring)
req->resultSetId = setstring;
if (!sr)
return 0;
- parse_show_args(arg, setstring, &setno, &nos);
+ if (!parse_show_args(arg, setstring, &setno, &nos))
+ return 0;
sr->u.request->startRecord = odr_intdup(out, setno);
sr->u.request->maximumRecords = odr_intdup(out, nos);
if (record_schema)
}
#endif
+#define max_HTTP_redirects 2
+
static void wait_and_handle_response(int one_response_only)
{
int reconnect_ok = 1;
+ int no_redirects = 0;
int res;
char *netbuffer= 0;
int netbufferlen = 0;
#if YAZ_HAVE_XML2
else if (gdu->which == Z_GDU_HTTP_Response)
{
- http_response(gdu->u.HTTP_Response);
+ Z_HTTP_Response *hres = gdu->u.HTTP_Response;
+ int code = hres->code;
+ const char *location = 0;
+ if ((code == 301 || code == 302)
+ && no_redirects < max_HTTP_redirects
+ && !yaz_matchstr(sru_method, "get")
+ && (location = z_HTTP_header_lookup(hres->headers, "Location")))
+ {
+ session_connect(location);
+ no_redirects++;
+ if (conn)
+ {
+ if (send_SRW_redirect(location, hres) == 2)
+ continue;
+ }
+ printf("Redirect failed\n");
+ }
+ else
+ http_response(gdu->u.HTTP_Response);
}
#endif
if (one_response_only)
{"help", cmd_help, "", NULL,0,NULL},
{"init", cmd_init, "", NULL,0,NULL},
{"sru", cmd_sru, "<method> <version>", NULL,0,NULL},
+ {"url", cmd_url, "<url>", NULL,0,NULL},
{"exit", cmd_quit, "",NULL,0,NULL},
{0,0,0,0,0,0}
};
{
line_in=readline(C_PROMPT);
if (!line_in)
+ {
+ putchar('\n');
break;
+ }
#if HAVE_READLINE_HISTORY_H
if (*line_in)
add_history(line_in);