Module: kamailio Branch: master Commit: 90d78b7b2bfc1899c1b64c2db8a353d43df68218 URL: https://github.com/kamailio/kamailio/commit/90d78b7b2bfc1899c1b64c2db8a353d4...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2024-04-07T10:15:41+02:00

http_clinet: added variable $httprhdr(name) - get response header value

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Modified: src/modules/http_client/functions.c Modified: src/modules/http_client/functions.h Modified: src/modules/http_client/http_client.c

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Diff: https://github.com/kamailio/kamailio/commit/90d78b7b2bfc1899c1b64c2db8a353d4... Patch: https://github.com/kamailio/kamailio/commit/90d78b7b2bfc1899c1b64c2db8a353d4...

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diff --git a/src/modules/http_client/functions.c b/src/modules/http_client/functions.c index e910b514bbf..0004eb3ddc1 100644 --- a/src/modules/http_client/functions.c +++ b/src/modules/http_client/functions.c @@ -39,6 +39,7 @@ #include "../../core/pvar.h" #include "../../core/route_struct.h" #include "../../core/ut.h" +#include "../../core/trim.h" #include "../../core/mem/mem.h" #include "../../core/parser/msg_parser.h"

@@ -127,6 +128,46 @@ void http_client_response_headers_reset(void) _http_client_response_headers = NULL; }

+/** + * + */ +int http_client_response_headers_get(str *hname, str *hbody) +{ + httpc_hdr_t *it; + char *p; + + if(_http_client_response_headers == NULL) { + return -1; + } + if(hname == NULL || hname->len <= 0 || hbody == NULL) { + return -1; + } + for(it = _http_client_response_headers; it != NULL; it = it->next) { + if(it->name.len == 0 && it->hbuf.s[0] != ' ' && it->hbuf.s[0] != '\t' + && it->hbuf.s[0] != '\r' && it->hbuf.s[0] != '\n') { + /* parsing */ + p = strchr(it->hbuf.s, ':'); + if(p == NULL) { + continue; + } + it->name.s = it->hbuf.s; + it->name.len = p - it->name.s; + trim(&it->name); + p++; + it->body.s = p; + it->body.len = it->hbuf.s + it->hbuf.len - it->body.s; + trim(&it->body); + } + if(it->name.len == hname->len + && strncasecmp(it->name.s, hname->s, hname->len) == 0) { + hbody->s = it->body.s; + hbody->len = it->body.len; + return 0; + } + } + return -1; +} + /* * curl write function that saves received data as zero terminated * to stream. Returns the amount of data taken care of. diff --git a/src/modules/http_client/functions.h b/src/modules/http_client/functions.h index d0c66c64e66..30c326bd0f8 100644 --- a/src/modules/http_client/functions.h +++ b/src/modules/http_client/functions.h @@ -78,4 +78,7 @@ int http_client_request_c(sip_msg_t *_m, char *_url, str *_dst, char *_body,

char *http_get_content_type(const str *connection);

+int http_client_response_headers_get(str *hname, str *hbody); +void http_client_response_headers_reset(void); + #endif /* CURL_FUNCTIONS_H */ diff --git a/src/modules/http_client/http_client.c b/src/modules/http_client/http_client.c index d640d772ad3..4bea581d50f 100644 --- a/src/modules/http_client/http_client.c +++ b/src/modules/http_client/http_client.c @@ -164,6 +164,8 @@ static int curl_con_param(modparam_t type, void *val); static int pv_parse_curlerror(pv_spec_p sp, str *in); static int pv_get_curlerror( struct sip_msg *msg, pv_param_t *param, pv_value_t *res); +static int pv_parse_httprhdr(pv_spec_p sp, str *in); +static int pv_get_httprhdr(sip_msg_t *msg, pv_param_t *param, pv_value_t *res);

/* clang-format off */ /* Exported functions */ @@ -237,6 +239,8 @@ static param_export_t params[] = { static pv_export_t mod_pvs[] = { {{"curlerror", (sizeof("curlerror")-1)}, /* Curl error codes */ PVT_OTHER, pv_get_curlerror, 0, pv_parse_curlerror, 0, 0, 0}, + {{"httprhdr", (sizeof("httprhdr")-1)}, /* HTTP response header */ + PVT_OTHER, pv_get_httprhdr, 0, pv_parse_httprhdr, 0, 0, 0},

{{0, 0}, 0, 0, 0, 0, 0, 0, 0} }; @@ -1193,6 +1197,35 @@ static int pv_get_curlerror( return pv_get_strval(msg, param, res, &curlerr); }

+/** + * + */ +static int pv_parse_httprhdr(pv_spec_p sp, str *in) +{ + if(sp == NULL || in == NULL || in->len <= 0) + return -1; + + sp->pvp.pvn.type = PV_NAME_INTSTR; + sp->pvp.pvn.u.isname.type = AVP_VAL_STR; + sp->pvp.pvn.u.isname.name.s = *in; + + return 0; +} + +/** + * + */ +static int pv_get_httprhdr(sip_msg_t *msg, pv_param_t *param, pv_value_t *res) +{ + str hbody = STR_NULL; + + if(http_client_response_headers_get(&param->pvn.u.isname.name.s, &hbody) + < 0) { + return pv_get_null(msg, param, res); + } + + return pv_get_strval(msg, param, res, &hbody); +}

/* * Fix curl_get_redirect params: connection(string/pvar) url (string that may contain pvars) and