void xslt_transform(xmlDocPtr doc, const char *xslfilename, client_t *client) { xmlDocPtr res; xsltStylesheetPtr cur; xmlChar *string; int len, problem = 0; xmlSetGenericErrorFunc ("", log_parse_failure); xsltSetGenericErrorFunc ("", log_parse_failure); thread_mutex_lock(&xsltlock); cur = xslt_get_stylesheet(xslfilename); if (cur == NULL) { thread_mutex_unlock(&xsltlock); ERROR1 ("problem reading stylesheet \"%s\"", xslfilename); client_send_404 (client, "Could not parse XSLT file"); return; } res = xsltApplyStylesheet(cur, doc, NULL); if (xsltSaveResultToString (&string, &len, res, cur) < 0) problem = 1; thread_mutex_unlock(&xsltlock); if (problem == 0) { const char *http = "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nContent-Length: "; int buf_len = strlen (http) + 20 + len; if (string == NULL) string = xmlStrdup (""); client->respcode = 200; client_set_queue (client, NULL); client->refbuf = refbuf_new (buf_len); len = snprintf (client->refbuf->data, buf_len, "%s%d\r\n\r\n%s", http, len, string); client->refbuf->len = len; fserve_add_client (client, NULL); xmlFree (string); } else { WARN1 ("problem applying stylesheet \"%s\"", xslfilename); client_send_404 (client, "XSLT problem"); } xmlFreeDoc(res); }
int xslt_transform (xmlDocPtr doc, const char *xslfilename, client_t *client) { xmlDocPtr res; xsltStylesheetPtr cur; int len; refbuf_t *content = NULL; char **params = NULL; xmlSetGenericErrorFunc ("", log_parse_failure); xsltSetGenericErrorFunc ("", log_parse_failure); thread_mutex_lock(&xsltlock); cur = xslt_get_stylesheet(xslfilename); if (cur == NULL) { thread_mutex_unlock(&xsltlock); ERROR1 ("problem reading stylesheet \"%s\"", xslfilename); return client_send_404 (client, "Could not parse XSLT file"); } if (client->parser->queryvars) { // annoying but we need to surround the args with ' when passing them in int i, arg_count = client->parser->queryvars->length * 2; avl_node *node = avl_get_first (client->parser->queryvars); params = calloc (arg_count+1, sizeof (char *)); for (i = 0; node && i < arg_count; node = avl_get_next (node)) { http_var_t *param = (http_var_t *)node->key; char *tmp = util_url_escape (param->value); params[i++] = param->name; // use alloca for now, should really url esc into a supplied buffer params[i] = (char*)alloca (strlen (tmp) + 3); sprintf (params[i++], "\'%s\'", tmp); free (tmp); } params[i] = NULL; } res = xsltApplyStylesheet (cur, doc, (const char **)params); free (params); if (res == NULL || xslt_SaveResultToBuf (&content, &len, res, cur) < 0) { thread_mutex_unlock (&xsltlock); xmlFreeDoc (res); WARN1 ("problem applying stylesheet \"%s\"", xslfilename); return client_send_404 (client, "XSLT problem"); } else { /* the 100 is to allow for the hardcoded headers */ refbuf_t *refbuf = refbuf_new (100); const char *mediatype = NULL; /* lets find out the content type to use */ if (cur->mediaType) mediatype = (char *)cur->mediaType; else { /* check method for the default, a missing method assumes xml */ if (cur->method && xmlStrcmp (cur->method, XMLSTR("html")) == 0) mediatype = "text/html"; else if (cur->method && xmlStrcmp (cur->method, XMLSTR("text")) == 0) mediatype = "text/plain"; else mediatype = "text/xml"; } snprintf (refbuf->data, 100, "HTTP/1.0 200 OK\r\nContent-Type: %s\r\nContent-Length: %d\r\n\r\n", mediatype, len); thread_mutex_unlock (&xsltlock); client->respcode = 200; client_set_queue (client, NULL); client->refbuf = refbuf; refbuf->len = strlen (refbuf->data); refbuf->next = content; } xmlFreeDoc(res); return fserve_setup_client (client); }
void xslt_transform(xmlDocPtr doc, const char *xslfilename, client_t *client) { xmlDocPtr res; xsltStylesheetPtr cur; xmlChar *string; int len, problem = 0; const char *mediatype = NULL; xmlSetGenericErrorFunc ("", log_parse_failure); xsltSetGenericErrorFunc ("", log_parse_failure); thread_mutex_lock(&xsltlock); cur = xslt_get_stylesheet(xslfilename); if (cur == NULL) { thread_mutex_unlock(&xsltlock); ERROR1 ("problem reading stylesheet \"%s\"", xslfilename); client_send_404 (client, "Could not parse XSLT file"); return; } res = xsltApplyStylesheet(cur, doc, NULL); if (xsltSaveResultToString (&string, &len, res, cur) < 0) problem = 1; /* lets find out the content type to use */ if (cur->mediaType) mediatype = (char *)cur->mediaType; else { /* check method for the default, a missing method assumes xml */ if (cur->method && xmlStrcmp (cur->method, XMLSTR("html")) == 0) mediatype = "text/html"; else if (cur->method && xmlStrcmp (cur->method, XMLSTR("text")) == 0) mediatype = "text/plain"; else mediatype = "text/xml"; } if (problem == 0) { /* the 100 is to allow for the hardcoded headers */ unsigned int full_len = strlen (mediatype) + len + 256; refbuf_t *refbuf = refbuf_new (full_len); ssize_t ret; if (string == NULL) string = xmlCharStrdup (""); ret = util_http_build_header(refbuf->data, full_len, 0, 0, 200, NULL, mediatype, NULL, NULL); snprintf (refbuf->data + ret, full_len - ret, "Content-Length: %d\r\n\r\n%s", len, string); client->respcode = 200; client_set_queue (client, NULL); client->refbuf = refbuf; refbuf->len = strlen (refbuf->data); fserve_add_client (client, NULL); xmlFree (string); } else { WARN1 ("problem applying stylesheet \"%s\"", xslfilename); client_send_404 (client, "XSLT problem"); } thread_mutex_unlock (&xsltlock); xmlFreeDoc(res); }
void xslt_transform(xmlDocPtr doc, const char *xslfilename, client_t *client) { xmlDocPtr res; xsltStylesheetPtr cur; xmlChar *string; int len, problem = 0; const char *mediatype = NULL; const char *charset = NULL; xmlSetGenericErrorFunc ("", log_parse_failure); xsltSetGenericErrorFunc ("", log_parse_failure); thread_mutex_lock(&xsltlock); cur = xslt_get_stylesheet(xslfilename); if (cur == NULL) { thread_mutex_unlock(&xsltlock); ICECAST_LOG_ERROR("problem reading stylesheet \"%s\"", xslfilename); client_send_404 (client, "Could not parse XSLT file"); return; } res = xsltApplyStylesheet(cur, doc, NULL); if (xsltSaveResultToString (&string, &len, res, cur) < 0) problem = 1; /* lets find out the content type and character encoding to use */ if (cur->encoding) charset = (char *)cur->encoding; if (cur->mediaType) mediatype = (char *)cur->mediaType; else { /* check method for the default, a missing method assumes xml */ if (cur->method && xmlStrcmp (cur->method, XMLSTR("html")) == 0) mediatype = "text/html"; else if (cur->method && xmlStrcmp (cur->method, XMLSTR("text")) == 0) mediatype = "text/plain"; else mediatype = "text/xml"; } if (problem == 0) { ssize_t ret; int failed = 0; refbuf_t *refbuf; size_t full_len = strlen (mediatype) + len + 1024; if (full_len < 4096) full_len = 4096; refbuf = refbuf_new (full_len); if (string == NULL) string = xmlCharStrdup (""); ret = util_http_build_header(refbuf->data, full_len, 0, 0, 200, NULL, mediatype, charset, NULL, NULL); if (ret == -1) { ICECAST_LOG_ERROR("Dropping client as we can not build response headers."); client_send_500(client, "Header generation failed."); } else { if ( full_len < (ret + len + 64) ) { void *new_data; full_len = ret + len + 64; new_data = realloc(refbuf->data, full_len); if (new_data) { ICECAST_LOG_DEBUG("Client buffer reallocation succeeded."); refbuf->data = new_data; refbuf->len = full_len; ret = util_http_build_header(refbuf->data, full_len, 0, 0, 200, NULL, mediatype, charset, NULL, NULL); if (ret == -1) { ICECAST_LOG_ERROR("Dropping client as we can not build response headers."); client_send_500(client, "Header generation failed."); failed = 1; } } else { ICECAST_LOG_ERROR("Client buffer reallocation failed. Dropping client."); client_send_500(client, "Buffer reallocation failed."); failed = 1; } } if (!failed) { snprintf(refbuf->data + ret, full_len - ret, "Content-Length: %d\r\n\r\n%s", len, string); client->respcode = 200; client_set_queue (client, NULL); client->refbuf = refbuf; refbuf->len = strlen (refbuf->data); fserve_add_client (client, NULL); } } xmlFree (string); } else { ICECAST_LOG_WARN("problem applying stylesheet \"%s\"", xslfilename); client_send_404 (client, "XSLT problem"); } thread_mutex_unlock (&xsltlock); xmlFreeDoc(res); }