* Copyright (C) 1995-2005, Index Data ApS
* See the file LICENSE for details.
*
- * $Id: srwutil.c,v 1.35 2006-02-01 20:28:44 adam Exp $
+ * $Id: srwutil.c,v 1.40 2006-05-07 18:35:47 adam Exp $
*/
/**
* \file srwutil.c
return 0;
}
+void encode_uri_char(char *dst, char ch)
+{
+ if (ch == ' ')
+ strcpy(dst, "+");
+ else if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') ||
+ (ch >= '0' && ch <= '9'))
+ {
+ dst[0] = ch;
+ dst[1] = '\0';
+ }
+ else
+ {
+ dst[0] = '%';
+ sprintf(dst+1, "%02X", (unsigned char ) ch);
+ }
+}
+
+void yaz_array_to_uri(char **path, ODR o, char **name, char **value)
+{
+ size_t i, szp = 0, sz = 0;
+ for(i = 0; name[i]; i++)
+ sz += strlen(name[i]) + 3 + strlen(value[i]) * 3;
+ *path = odr_malloc(o, sz);
+
+ for(i = 0; name[i]; i++)
+ {
+ size_t j, ilen;
+ if (i)
+ (*path)[szp++] = '&';
+ ilen = strlen(name[i]);
+ memcpy(*path+szp, name[i], ilen);
+ szp += ilen;
+ (*path)[szp++] = '=';
+ for (j = 0; value[i][j]; j++)
+ {
+ size_t vlen;
+ char vstr[5];
+ encode_uri_char(vstr, value[i][j]);
+ vlen = strlen(vstr);
+ memcpy(*path+szp, vstr, vlen);
+ szp += vlen;
+ }
+ }
+ (*path)[szp] = '\0';
+}
+
int yaz_uri_array(const char *path, ODR o, char ***name, char ***val)
{
int no = 2;
if (*path == '?')
path++;
if (!*path)
- return no;
+ return 0;
cp = path;
while ((cp = strchr(cp, '&')))
{
return 0;
}
+static int yaz_base64decode(const char *in, char *out)
+{
+ const char *map = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz0123456789+/";
+ int olen = 0;
+ int len = strlen(in);
+
+ while (len >= 4)
+ {
+ char i0, i1, i2, i3;
+ char *p;
+
+ if (!(p = strchr(map, in[0])))
+ return 0;
+ i0 = p - map;
+ len--;
+ if (!(p = strchr(map, in[1])))
+ return 0;
+ i1 = p - map;
+ len--;
+ *(out++) = i0 << 2 | i1 >> 4;
+ olen++;
+ if (in[2] == '=')
+ break;
+ if (!(p = strchr(map, in[2])))
+ return 0;
+ i2 = p - map;
+ len--;
+ *(out++) = i1 << 4 | i2 >> 2;
+ olen++;
+ if (in[3] == '=')
+ break;
+ if (!(p = strchr(map, in[3])))
+ return 0;
+ i3 = p - map;
+ len--;
+ *(out++) = i2 << 6 | i3;
+ olen++;
+
+ in += 4;
+ }
+
+ *out = '\0';
+ return olen;
+}
+
+/**
+ * Look for authentication tokens in HTTP Basic parameters or in x-username/x-password
+ * parameters. Added by SH.
+ */
+static void yaz_srw_decodeauth(Z_SRW_PDU *sr, Z_HTTP_Request *hreq, char *username,
+ char *password, ODR decode)
+{
+ const char *basic = z_HTTP_header_lookup(hreq->headers, "Authorization");
+
+ if (username)
+ sr->username = username;
+ if (password)
+ sr->password = password;
+
+ if (basic) {
+ int len, olen;
+ char out[256];
+ char ubuf[256] = "", pbuf[256] = "", *p;
+ if (strncmp(basic, "Basic ", 6))
+ return;
+ basic += 6;
+ len = strlen(basic);
+ if (!len || len > 256)
+ return;
+ olen = yaz_base64decode(basic, out);
+ /* Format of out should be username:password at this point */
+ strcpy(ubuf, out);
+ if ((p = strchr(ubuf, ':'))) {
+ *(p++) = '\0';
+ if (*p)
+ strcpy(pbuf, p);
+ }
+ if (*ubuf)
+ sr->username = odr_strdup(decode, ubuf);
+ if (*pbuf)
+ sr->password = odr_strdup(decode, pbuf);
+ }
+}
+
void yaz_uri_val_int(const char *path, const char *name, ODR o, int **intp)
{
const char *v = yaz_uri_val(path, name, o);
"Content-Type");
if (content_type &&
(!yaz_strcmp_del("text/xml", content_type, "; ") ||
+ !yaz_strcmp_del("application/soap+xml", content_type, "; ") ||
!yaz_strcmp_del("text/plain", content_type, "; ")))
{
char *db = "Default";
char *version = 0;
char *query = 0;
char *pQuery = 0;
+ char *username = 0;
+ char *password = 0;
char *sortKeys = 0;
char *stylesheet = 0;
char *scanClause = 0;
query = v;
else if (!strcmp(n, "x-pquery"))
pQuery = v;
+ else if (!strcmp(n, "x-username"))
+ username = v;
+ else if (!strcmp(n, "x-password"))
+ password = v;
else if (!strcmp(n, "operation"))
operation = v;
else if (!strcmp(n, "stylesheet"))
sr->srw_version = version;
*srw_pdu = sr;
+ yaz_srw_decodeauth(sr, hreq, username, password, decode);
if (query)
{
sr->u.request->query_type = Z_SRW_query_type_cql;
Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_explain_request);
sr->srw_version = version;
+ yaz_srw_decodeauth(sr, hreq, username, password, decode);
*srw_pdu = sr;
sr->u.explain_request->recordPacking = recordPacking;
sr->u.explain_request->database = db;
sr->srw_version = version;
*srw_pdu = sr;
+ yaz_srw_decodeauth(sr, hreq, username, password, decode);
if (scanClause)
{
{
Z_SRW_PDU *sr = (Z_SRW_PDU *) odr_malloc(o, sizeof(*o));
+ sr->username = 0;
+ sr->password = 0;
sr->srw_version = odr_strdup(o, "1.1");
sr->which = which;
switch(which)
sr->u.scan_response->num_terms = 0;
sr->u.scan_response->diagnostics = 0;
sr->u.scan_response->num_diagnostics = 0;
+ break;
case Z_SRW_update_request:
sr->u.update_request = (Z_SRW_updateRequest *)
odr_malloc(o, sizeof(*sr->u.update_request));
return 1;
}
+static void add_val_int(ODR o, char **name, char **value, int *i,
+ char *a_name, int *val)
+{
+ if (val)
+ {
+ name[*i] = a_name;
+ value[*i] = odr_malloc(o, 30);
+ sprintf(value[*i], "%d", *val);
+ (*i)++;
+ }
+}
+
+static void add_val_str(ODR o, char **name, char **value, int *i,
+ char *a_name, char *val)
+{
+ if (val)
+ {
+ name[*i] = a_name;
+ value[*i] = val;
+ (*i)++;
+ }
+}
+
+static int yaz_get_sru_parms(const Z_SRW_PDU *srw_pdu, ODR encode,
+ char **name, char **value)
+{
+ int i = 0;
+ add_val_str(encode, name, value, &i, "version", srw_pdu->srw_version);
+ name[i] = "operation";
+ switch(srw_pdu->which)
+ {
+ case Z_SRW_searchRetrieve_request:
+ value[i++] = "searchRetrieve";
+ switch(srw_pdu->u.request->query_type)
+ {
+ case Z_SRW_query_type_cql:
+ add_val_str(encode, name, value, &i, "query",
+ srw_pdu->u.request->query.cql);
+ break;
+ case Z_SRW_query_type_pqf:
+ add_val_str(encode, name, value, &i, "x-pquery",
+ srw_pdu->u.request->query.pqf);
+ break;
+ case Z_SRW_query_type_xcql:
+ add_val_str(encode, name, value, &i, "x-cql",
+ srw_pdu->u.request->query.xcql);
+ break;
+ }
+ switch(srw_pdu->u.request->sort_type)
+ {
+ case Z_SRW_sort_type_none:
+ break;
+ case Z_SRW_sort_type_sort:
+ add_val_str(encode, name, value, &i, "sortKeys",
+ srw_pdu->u.request->sort.sortKeys);
+ break;
+ }
+ add_val_int(encode, name, value, &i, "startRecord",
+ srw_pdu->u.request->startRecord);
+ add_val_int(encode, name, value, &i, "maximumRecords",
+ srw_pdu->u.request->maximumRecords);
+ add_val_str(encode, name, value, &i, "recordSchema",
+ srw_pdu->u.request->recordSchema);
+ add_val_str(encode, name, value, &i, "recordPacking",
+ srw_pdu->u.request->recordPacking);
+ add_val_str(encode, name, value, &i, "recordXPath",
+ srw_pdu->u.request->recordXPath);
+ add_val_str(encode, name, value, &i, "stylesheet",
+ srw_pdu->u.request->stylesheet);
+ add_val_int(encode, name, value, &i, "resultSetTTL",
+ srw_pdu->u.request->resultSetTTL);
+ break;
+ case Z_SRW_explain_request:
+ value[i++] = "explain";
+ add_val_str(encode, name, value, &i, "stylesheet",
+ srw_pdu->u.explain_request->stylesheet);
+ break;
+ case Z_SRW_scan_request:
+ value[i++] = "scan";
+
+ switch(srw_pdu->u.scan_request->query_type)
+ {
+ case Z_SRW_query_type_cql:
+ add_val_str(encode, name, value, &i, "scanClause",
+ srw_pdu->u.scan_request->scanClause.cql);
+ break;
+ case Z_SRW_query_type_pqf:
+ add_val_str(encode, name, value, &i, "x-pScanClause",
+ srw_pdu->u.scan_request->scanClause.pqf);
+ break;
+ case Z_SRW_query_type_xcql:
+ add_val_str(encode, name, value, &i, "x-cqlScanClause",
+ srw_pdu->u.scan_request->scanClause.xcql);
+ break;
+ }
+ add_val_int(encode, name, value, &i, "responsePosition",
+ srw_pdu->u.scan_request->responsePosition);
+ add_val_int(encode, name, value, &i, "maximumTerms",
+ srw_pdu->u.scan_request->maximumTerms);
+ add_val_str(encode, name, value, &i, "stylesheet",
+ srw_pdu->u.scan_request->stylesheet);
+ break;
+ case Z_SRW_update_request:
+ value[i++] = "update";
+ break;
+ default:
+ return -1;
+ }
+ name[i++] = 0;
+ return 0;
+}
+
+int yaz_sru_get_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
+ ODR encode, char *charset)
+{
+ char *name[30], *value[30]; /* definite upper limit for SRU params */
+ char *uri_args;
+ char *path;
+
+ if (yaz_get_sru_parms(srw_pdu, encode, name, value))
+ return -1;
+ yaz_array_to_uri(&uri_args, encode, name, value);
+
+ hreq->method = "GET";
+
+ path = odr_malloc(encode, strlen(hreq->path) + strlen(uri_args) + 3);
+ sprintf(path, "%s?%s", hreq->path, uri_args);
+ hreq->path = path;
+
+ z_HTTP_header_add_content_type(encode, &hreq->headers,
+ "text/xml", charset);
+ return 0;
+}
+
+int yaz_sru_post_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
+ ODR encode, char *charset)
+{
+ char *name[30], *value[30]; /* definite upper limit for SRU params */
+ char *uri_args;
+
+ if (yaz_get_sru_parms(srw_pdu, encode, name, value))
+ return -1;
+
+ yaz_array_to_uri(&uri_args, encode, name, value);
+
+ hreq->method = "POST";
+
+ hreq->content_buf = uri_args;
+ hreq->content_len = strlen(uri_args);
+
+ z_HTTP_header_add_content_type(encode, &hreq->headers,
+ "application/x-www-form-urlencoded",
+ charset);
+ return 0;
+}
+
/*
* Local variables:
* c-basic-offset: 4
projects / yaz-moved-to-github.git / blobdiff