1 files changed, 36 insertions, 612 deletions

diff --git a/src/web/api/web_api_v2.c b/src/web/api/web_api_v2.c
index c62ed9ed3..f8e52a94b 100644
--- a/src/web/api/web_api_v2.c
+++ b/src/web/api/web_api_v2.c
@@ -1,604 +1,27 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "web_api_v2.h"
-#include "../rtc/webrtc.h"
-
-static bool verify_agent_uuids(const char *machine_guid, const char *node_id, const char *claim_id) {
-    if(!machine_guid || !node_id || !claim_id)
-        return false;
-
-    if(strcmp(machine_guid, localhost->machine_guid) != 0)
-        return false;
-
-    char *agent_claim_id = get_agent_claimid();
-
-    bool not_verified = (!agent_claim_id || strcmp(claim_id, agent_claim_id) != 0);
-    freez(agent_claim_id);
-
-    if(not_verified || !localhost->node_id)
-        return false;
-
-    char buf[UUID_STR_LEN];
-    uuid_unparse_lower(*localhost->node_id, buf);
-
-    if(strcmp(node_id, buf) != 0)
-        return false;
-
-    return true;
-}
-
-int api_v2_bearer_protection(RRDHOST *host __maybe_unused, struct web_client *w __maybe_unused, char *url) {
-    char *machine_guid = NULL;
-    char *claim_id = NULL;
-    char *node_id = NULL;
-    bool protection = netdata_is_protected_by_bearer;
-
-    while (url) {
-        char *value = strsep_skip_consecutive_separators(&url, "&");
-        if (!value || !*value) continue;
-
-        char *name = strsep_skip_consecutive_separators(&value, "=");
-        if (!name || !*name) continue;
-        if (!value || !*value) continue;
-
-        if(!strcmp(name, "bearer_protection")) {
-            if(!strcmp(value, "on") || !strcmp(value, "true") || !strcmp(value, "yes"))
-                protection = true;
-            else
-                protection = false;
-        }
-        else if(!strcmp(name, "machine_guid"))
-            machine_guid = value;
-        else if(!strcmp(name, "claim_id"))
-            claim_id = value;
-        else if(!strcmp(name, "node_id"))
-            node_id = value;
-    }
-
-    if(!verify_agent_uuids(machine_guid, node_id, claim_id)) {
-        buffer_flush(w->response.data);
-        buffer_strcat(w->response.data, "The request is missing or not matching local UUIDs");
-        return HTTP_RESP_BAD_REQUEST;
-    }
-
-    netdata_is_protected_by_bearer = protection;
-
-    BUFFER *wb = w->response.data;
-    buffer_flush(wb);
-    buffer_json_initialize(wb, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_DEFAULT);
-    buffer_json_member_add_boolean(wb, "bearer_protection", netdata_is_protected_by_bearer);
-    buffer_json_finalize(wb);
-
-    return HTTP_RESP_OK;
-}
-
-int api_v2_bearer_token(RRDHOST *host __maybe_unused, struct web_client *w __maybe_unused, char *url __maybe_unused) {
-    char *machine_guid = NULL;
-    char *claim_id = NULL;
-    char *node_id = NULL;
-
-    while(url) {
-        char *value = strsep_skip_consecutive_separators(&url, "&");
-        if (!value || !*value) continue;
-
-        char *name = strsep_skip_consecutive_separators(&value, "=");
-        if (!name || !*name) continue;
-        if (!value || !*value) continue;
-
-        if(!strcmp(name, "machine_guid"))
-            machine_guid = value;
-        else if(!strcmp(name, "claim_id"))
-            claim_id = value;
-        else if(!strcmp(name, "node_id"))
-            node_id = value;
-    }
-
-    if(!verify_agent_uuids(machine_guid, node_id, claim_id)) {
-        buffer_flush(w->response.data);
-        buffer_strcat(w->response.data, "The request is missing or not matching local UUIDs");
-        return HTTP_RESP_BAD_REQUEST;
-    }
-
-    nd_uuid_t uuid;
-    time_t expires_s = bearer_create_token(&uuid, w);
-
-    BUFFER *wb = w->response.data;
-    buffer_flush(wb);
-    buffer_json_initialize(wb, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_DEFAULT);
-    buffer_json_member_add_string(wb, "mg", localhost->machine_guid);
-    buffer_json_member_add_boolean(wb, "bearer_protection", netdata_is_protected_by_bearer);
-    buffer_json_member_add_uuid(wb, "token", &uuid);
-    buffer_json_member_add_time_t(wb, "expiration", expires_s);
-    buffer_json_finalize(wb);
-
-    return HTTP_RESP_OK;
-}
-
-static int web_client_api_request_v2_contexts_internal(RRDHOST *host __maybe_unused, struct web_client *w, char *url, CONTEXTS_V2_MODE mode) {
-    struct api_v2_contexts_request req = { 0 };
-
-    while(url) {
-        char *value = strsep_skip_consecutive_separators(&url, "&");
-        if(!value || !*value) continue;
-
-        char *name = strsep_skip_consecutive_separators(&value, "=");
-        if(!name || !*name) continue;
-        if(!value || !*value) continue;
-
-        // name and value are now the parameters
-        // they are not null and not empty
-
-        if(!strcmp(name, "scope_nodes"))
-            req.scope_nodes = value;
-        else if(!strcmp(name, "nodes"))
-            req.nodes = value;
-        else if((mode & (CONTEXTS_V2_CONTEXTS | CONTEXTS_V2_SEARCH | CONTEXTS_V2_ALERTS | CONTEXTS_V2_ALERT_TRANSITIONS)) && !strcmp(name, "scope_contexts"))
-            req.scope_contexts = value;
-        else if((mode & (CONTEXTS_V2_CONTEXTS | CONTEXTS_V2_SEARCH | CONTEXTS_V2_ALERTS | CONTEXTS_V2_ALERT_TRANSITIONS)) && !strcmp(name, "contexts"))
-            req.contexts = value;
-        else if((mode & CONTEXTS_V2_SEARCH) && !strcmp(name, "q"))
-            req.q = value;
-        else if(!strcmp(name, "options"))
-            req.options = web_client_api_request_v2_context_options(value);
-        else if(!strcmp(name, "after"))
-            req.after = str2l(value);
-        else if(!strcmp(name, "before"))
-            req.before = str2l(value);
-        else if(!strcmp(name, "timeout"))
-            req.timeout_ms = str2l(value);
-        else if(mode & (CONTEXTS_V2_ALERTS | CONTEXTS_V2_ALERT_TRANSITIONS)) {
-            if (!strcmp(name, "alert"))
-                req.alerts.alert = value;
-            else if (!strcmp(name, "transition"))
-                req.alerts.transition = value;
-            else if(mode & CONTEXTS_V2_ALERTS) {
-                if (!strcmp(name, "status"))
-                    req.alerts.status = web_client_api_request_v2_alert_status(value);
-            }
-            else if(mode & CONTEXTS_V2_ALERT_TRANSITIONS) {
-                if (!strcmp(name, "last"))
-                    req.alerts.last = strtoul(value, NULL, 0);
-                else if(!strcmp(name, "context"))
-                    req.contexts = value;
-                else if (!strcmp(name, "anchor_gi")) {
-                    req.alerts.global_id_anchor = str2ull(value, NULL);
-                }
-                else {
-                    for(int i = 0; i < ATF_TOTAL_ENTRIES ;i++) {
-                        if(!strcmp(name, alert_transition_facets[i].query_param))
-                            req.alerts.facets[i] = value;
-                    }
-                }
-            }
-        }
-    }
-
-    if ((mode & CONTEXTS_V2_ALERT_TRANSITIONS) && !req.alerts.last)
-        req.alerts.last = 1;
-
-    buffer_flush(w->response.data);
-    buffer_no_cacheable(w->response.data);
-    return rrdcontext_to_json_v2(w->response.data, &req, mode);
-}
-
-static int web_client_api_request_v2_alert_transitions(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_ALERT_TRANSITIONS | CONTEXTS_V2_NODES);
-}
-
-static int web_client_api_request_v2_alerts(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_ALERTS | CONTEXTS_V2_NODES);
-}
-
-static int web_client_api_request_v2_functions(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_FUNCTIONS | CONTEXTS_V2_NODES | CONTEXTS_V2_AGENTS | CONTEXTS_V2_VERSIONS);
-}
-
-static int web_client_api_request_v2_versions(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_VERSIONS);
-}
-
-static int web_client_api_request_v2_q(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_SEARCH | CONTEXTS_V2_CONTEXTS | CONTEXTS_V2_NODES | CONTEXTS_V2_AGENTS | CONTEXTS_V2_VERSIONS);
-}
-
-static int web_client_api_request_v2_contexts(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_CONTEXTS | CONTEXTS_V2_NODES | CONTEXTS_V2_AGENTS | CONTEXTS_V2_VERSIONS);
-}
-
-static int web_client_api_request_v2_nodes(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_NODES | CONTEXTS_V2_NODES_INFO);
-}
-
-static int web_client_api_request_v2_info(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_AGENTS | CONTEXTS_V2_AGENTS_INFO);
-}
-
-static int web_client_api_request_v2_node_instances(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_v2_contexts_internal(host, w, url, CONTEXTS_V2_NODES | CONTEXTS_V2_NODE_INSTANCES | CONTEXTS_V2_AGENTS | CONTEXTS_V2_AGENTS_INFO | CONTEXTS_V2_VERSIONS);
-}
-
-static int web_client_api_request_v2_weights(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return web_client_api_request_weights(host, w, url, WEIGHTS_METHOD_VALUE, WEIGHTS_FORMAT_MULTINODE, 2);
-}
-
-static int web_client_api_request_v2_claim(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    return api_v2_claim(w, url);
-}
-
-static int web_client_api_request_v2_alert_config(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    const char *config = NULL;
-
-    while(url) {
-        char *value = strsep_skip_consecutive_separators(&url, "&");
-        if(!value || !*value) continue;
-
-        char *name = strsep_skip_consecutive_separators(&value, "=");
-        if(!name || !*name) continue;
-        if(!value || !*value) continue;
-
-        // name and value are now the parameters
-        // they are not null and not empty
-
-        if(!strcmp(name, "config"))
-            config = value;
-    }
-
-    buffer_flush(w->response.data);
-
-    if(!config) {
-        w->response.data->content_type = CT_TEXT_PLAIN;
-        buffer_strcat(w->response.data, "A config hash ID is required. Add ?config=UUID query param");
-        return HTTP_RESP_BAD_REQUEST;
-    }
-
-    return contexts_v2_alert_config_to_json(w, config);
-}
-
-
-#define GROUP_BY_KEY_MAX_LENGTH 30
-static struct {
-    char group_by[GROUP_BY_KEY_MAX_LENGTH + 1];
-    char aggregation[GROUP_BY_KEY_MAX_LENGTH + 1];
-    char group_by_label[GROUP_BY_KEY_MAX_LENGTH + 1];
-} group_by_keys[MAX_QUERY_GROUP_BY_PASSES];
-
-__attribute__((constructor)) void initialize_group_by_keys(void) {
-    for(size_t g = 0; g < MAX_QUERY_GROUP_BY_PASSES ;g++) {
-        snprintfz(group_by_keys[g].group_by, GROUP_BY_KEY_MAX_LENGTH, "group_by[%zu]", g);
-        snprintfz(group_by_keys[g].aggregation, GROUP_BY_KEY_MAX_LENGTH, "aggregation[%zu]", g);
-        snprintfz(group_by_keys[g].group_by_label, GROUP_BY_KEY_MAX_LENGTH, "group_by_label[%zu]", g);
-    }
-}
-
-static int web_client_api_request_v2_data(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    usec_t received_ut = now_monotonic_usec();
-
-    int ret = HTTP_RESP_BAD_REQUEST;
-
-    buffer_flush(w->response.data);
-
-    char    *google_version = "0.6",
-            *google_reqId = "0",
-            *google_sig = "0",
-            *google_out = "json",
-            *responseHandler = NULL,
-            *outFileName = NULL;
-
-    time_t last_timestamp_in_data = 0, google_timestamp = 0;
-
-    char *scope_nodes = NULL;
-    char *scope_contexts = NULL;
-    char *nodes = NULL;
-    char *contexts = NULL;
-    char *instances = NULL;
-    char *dimensions = NULL;
-    char *before_str = NULL;
-    char *after_str = NULL;
-    char *resampling_time_str = NULL;
-    char *points_str = NULL;
-    char *timeout_str = NULL;
-    char *labels = NULL;
-    char *alerts = NULL;
-    char *time_group_options = NULL;
-    char *tier_str = NULL;
-    size_t tier = 0;
-    RRDR_TIME_GROUPING time_group = RRDR_GROUPING_AVERAGE;
-    DATASOURCE_FORMAT format = DATASOURCE_JSON2;
-    RRDR_OPTIONS options = RRDR_OPTION_VIRTUAL_POINTS | RRDR_OPTION_JSON_WRAP | RRDR_OPTION_RETURN_JWAR;
-
-    struct group_by_pass group_by[MAX_QUERY_GROUP_BY_PASSES] = {
-            {
-                .group_by = RRDR_GROUP_BY_DIMENSION,
-                .group_by_label = NULL,
-                .aggregation = RRDR_GROUP_BY_FUNCTION_AVERAGE,
-            },
-    };
-
-    size_t group_by_idx = 0, group_by_label_idx = 0, aggregation_idx = 0;
-
-    while(url) {
-        char *value = strsep_skip_consecutive_separators(&url, "&");
-        if(!value || !*value) continue;
-
-        char *name = strsep_skip_consecutive_separators(&value, "=");
-        if(!name || !*name) continue;
-        if(!value || !*value) continue;
-
-        // name and value are now the parameters
-        // they are not null and not empty
-
-        if(!strcmp(name, "scope_nodes")) scope_nodes = value;
-        else if(!strcmp(name, "scope_contexts")) scope_contexts = value;
-        else if(!strcmp(name, "nodes")) nodes = value;
-        else if(!strcmp(name, "contexts")) contexts = value;
-        else if(!strcmp(name, "instances")) instances = value;
-        else if(!strcmp(name, "dimensions")) dimensions = value;
-        else if(!strcmp(name, "labels")) labels = value;
-        else if(!strcmp(name, "alerts")) alerts = value;
-        else if(!strcmp(name, "after")) after_str = value;
-        else if(!strcmp(name, "before")) before_str = value;
-        else if(!strcmp(name, "points")) points_str = value;
-        else if(!strcmp(name, "timeout")) timeout_str = value;
-        else if(!strcmp(name, "group_by")) {
-            group_by[group_by_idx++].group_by = group_by_parse(value);
-            if(group_by_idx >= MAX_QUERY_GROUP_BY_PASSES)
-                group_by_idx = MAX_QUERY_GROUP_BY_PASSES - 1;
-        }
-        else if(!strcmp(name, "group_by_label")) {
-            group_by[group_by_label_idx++].group_by_label = value;
-            if(group_by_label_idx >= MAX_QUERY_GROUP_BY_PASSES)
-                group_by_label_idx = MAX_QUERY_GROUP_BY_PASSES - 1;
-        }
-        else if(!strcmp(name, "aggregation")) {
-            group_by[aggregation_idx++].aggregation = group_by_aggregate_function_parse(value);
-            if(aggregation_idx >= MAX_QUERY_GROUP_BY_PASSES)
-                aggregation_idx = MAX_QUERY_GROUP_BY_PASSES - 1;
-        }
-        else if(!strcmp(name, "format")) format = web_client_api_request_v1_data_format(value);
-        else if(!strcmp(name, "options")) options |= rrdr_options_parse(value);
-        else if(!strcmp(name, "time_group")) time_group = time_grouping_parse(value, RRDR_GROUPING_AVERAGE);
-        else if(!strcmp(name, "time_group_options")) time_group_options = value;
-        else if(!strcmp(name, "time_resampling")) resampling_time_str = value;
-        else if(!strcmp(name, "tier")) tier_str = value;
-        else if(!strcmp(name, "callback")) responseHandler = value;
-        else if(!strcmp(name, "filename")) outFileName = value;
-        else if(!strcmp(name, "tqx")) {
-            // parse Google Visualization API options
-            // https://developers.google.com/chart/interactive/docs/dev/implementing_data_source
-            char *tqx_name, *tqx_value;
-
-            while(value) {
-                tqx_value = strsep_skip_consecutive_separators(&value, ";");
-                if(!tqx_value || !*tqx_value) continue;
-
-                tqx_name = strsep_skip_consecutive_separators(&tqx_value, ":");
-                if(!tqx_name || !*tqx_name) continue;
-                if(!tqx_value || !*tqx_value) continue;
-
-                if(!strcmp(tqx_name, "version"))
-                    google_version = tqx_value;
-                else if(!strcmp(tqx_name, "reqId"))
-                    google_reqId = tqx_value;
-                else if(!strcmp(tqx_name, "sig")) {
-                    google_sig = tqx_value;
-                    google_timestamp = strtoul(google_sig, NULL, 0);
-                }
-                else if(!strcmp(tqx_name, "out")) {
-                    google_out = tqx_value;
-                    format = web_client_api_request_v1_data_google_format(google_out);
-                }
-                else if(!strcmp(tqx_name, "responseHandler"))
-                    responseHandler = tqx_value;
-                else if(!strcmp(tqx_name, "outFileName"))
-                    outFileName = tqx_value;
-            }
-        }
-        else {
-            for(size_t g = 0; g < MAX_QUERY_GROUP_BY_PASSES ;g++) {
-                if(!strcmp(name, group_by_keys[g].group_by))
-                    group_by[g].group_by = group_by_parse(value);
-                else if(!strcmp(name, group_by_keys[g].group_by_label))
-                    group_by[g].group_by_label = value;
-                else if(!strcmp(name, group_by_keys[g].aggregation))
-                    group_by[g].aggregation = group_by_aggregate_function_parse(value);
-            }
-        }
-    }
-
-    // validate the google parameters given
-    fix_google_param(google_out);
-    fix_google_param(google_sig);
-    fix_google_param(google_reqId);
-    fix_google_param(google_version);
-    fix_google_param(responseHandler);
-    fix_google_param(outFileName);
-
-    for(size_t g = 0; g < MAX_QUERY_GROUP_BY_PASSES ;g++) {
-        if (group_by[g].group_by_label && *group_by[g].group_by_label)
-            group_by[g].group_by |= RRDR_GROUP_BY_LABEL;
-    }
-
-    if(group_by[0].group_by == RRDR_GROUP_BY_NONE)
-        group_by[0].group_by = RRDR_GROUP_BY_DIMENSION;
-
-    for(size_t g = 0; g < MAX_QUERY_GROUP_BY_PASSES ;g++) {
-        if ((group_by[g].group_by & ~(RRDR_GROUP_BY_DIMENSION)) || (options & RRDR_OPTION_PERCENTAGE)) {
-            options |= RRDR_OPTION_ABSOLUTE;
-            break;
-        }
-    }
-
-    if(options & RRDR_OPTION_DEBUG)
-        options &= ~RRDR_OPTION_MINIFY;
-
-    if(tier_str && *tier_str) {
-        tier = str2ul(tier_str);
-        if(tier < storage_tiers)
-            options |= RRDR_OPTION_SELECTED_TIER;
-        else
-            tier = 0;
-    }
-
-    time_t    before = (before_str && *before_str)?str2l(before_str):0;
-    time_t    after  = (after_str  && *after_str) ?str2l(after_str):-600;
-    size_t    points = (points_str && *points_str)?str2u(points_str):0;
-    int       timeout = (timeout_str && *timeout_str)?str2i(timeout_str): 0;
-    time_t    resampling_time = (resampling_time_str && *resampling_time_str) ? str2l(resampling_time_str) : 0;
-
-    QUERY_TARGET_REQUEST qtr = {
-            .version = 2,
-            .scope_nodes = scope_nodes,
-            .scope_contexts = scope_contexts,
-            .after = after,
-            .before = before,
-            .host = NULL,
-            .st = NULL,
-            .nodes = nodes,
-            .contexts = contexts,
-            .instances = instances,
-            .dimensions = dimensions,
-            .alerts = alerts,
-            .timeout_ms = timeout,
-            .points = points,
-            .format = format,
-            .options = options,
-            .time_group_method = time_group,
-            .time_group_options = time_group_options,
-            .resampling_time = resampling_time,
-            .tier = tier,
-            .chart_label_key = NULL,
-            .labels = labels,
-            .query_source = QUERY_SOURCE_API_DATA,
-            .priority = STORAGE_PRIORITY_NORMAL,
-            .received_ut = received_ut,
-
-            .interrupt_callback = web_client_interrupt_callback,
-            .interrupt_callback_data = w,
-
-            .transaction = &w->transaction,
-    };
-
-    for(size_t g = 0; g < MAX_QUERY_GROUP_BY_PASSES ;g++)
-        qtr.group_by[g] = group_by[g];
-
-    QUERY_TARGET *qt = query_target_create(&qtr);
-    ONEWAYALLOC *owa = NULL;
-
-    if(!qt) {
-        buffer_sprintf(w->response.data, "Failed to prepare the query.");
-        ret = HTTP_RESP_INTERNAL_SERVER_ERROR;
-        goto cleanup;
-    }
-
-    web_client_timeout_checkpoint_set(w, timeout);
-    if(web_client_timeout_checkpoint_and_check(w, NULL)) {
-        ret = w->response.code;
-        goto cleanup;
-    }
-
-    if(outFileName && *outFileName) {
-        buffer_sprintf(w->response.header, "Content-Disposition: attachment; filename=\"%s\"\r\n", outFileName);
-        netdata_log_debug(D_WEB_CLIENT, "%llu: generating outfilename header: '%s'", w->id, outFileName);
-    }
-
-    if(format == DATASOURCE_DATATABLE_JSONP) {
-        if(responseHandler == NULL)
-            responseHandler = "google.visualization.Query.setResponse";
-
-        netdata_log_debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSON/JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
-              w->id, google_version, google_reqId, google_sig, google_out, responseHandler, outFileName
-        );
-
-        buffer_sprintf(
-                w->response.data,
-                "%s({version:'%s',reqId:'%s',status:'ok',sig:'%"PRId64"',table:",
-                responseHandler,
-                google_version,
-                google_reqId,
-                (int64_t)now_realtime_sec());
-    }
-    else if(format == DATASOURCE_JSONP) {
-        if(responseHandler == NULL)
-            responseHandler = "callback";
-
-        buffer_strcat(w->response.data, responseHandler);
-        buffer_strcat(w->response.data, "(");
-    }
-
-    owa = onewayalloc_create(0);
-    ret = data_query_execute(owa, w->response.data, qt, &last_timestamp_in_data);
-
-    if(format == DATASOURCE_DATATABLE_JSONP) {
-        if(google_timestamp < last_timestamp_in_data)
-            buffer_strcat(w->response.data, "});");
-
-        else {
-            // the client already has the latest data
-            buffer_flush(w->response.data);
-            buffer_sprintf(w->response.data,
-                           "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
-                           responseHandler, google_version, google_reqId);
-        }
-    }
-    else if(format == DATASOURCE_JSONP)
-        buffer_strcat(w->response.data, ");");
-
-    if(qt->internal.relative)
-        buffer_no_cacheable(w->response.data);
-    else
-        buffer_cacheable(w->response.data);
-
-cleanup:
-    query_target_release(qt);
-    onewayalloc_destroy(owa);
-    return ret;
-}
-
-static int web_client_api_request_v2_webrtc(RRDHOST *host __maybe_unused, struct web_client *w, char *url __maybe_unused) {
-    return webrtc_new_connection(buffer_tostring(w->payload), w->response.data);
-}
-
-static int web_client_api_request_v2_progress(RRDHOST *host __maybe_unused, struct web_client *w, char *url) {
-    char *transaction = NULL;
-
-    while(url) {
-        char *value = strsep_skip_consecutive_separators(&url, "&");
-        if(!value || !*value) continue;
-
-        char *name = strsep_skip_consecutive_separators(&value, "=");
-        if(!name || !*name) continue;
-        if(!value || !*value) continue;
-
-        // name and value are now the parameters
-        // they are not null and not empty
-
-        if(!strcmp(name, "transaction")) transaction = value;
-    }
-
-    nd_uuid_t tr;
-    uuid_parse_flexi(transaction, tr);
-
-    rrd_function_call_progresser(&tr);
-
-    return web_api_v2_report_progress(&tr, w->response.data);
-}
+#include "v1/api_v1_calls.h"
+#include "v2/api_v2_calls.h"
+#include "v3/api_v3_calls.h"
 
 static struct web_api_command api_commands_v2[] = {
+#if defined(ENABLE_API_v2)
     // time-series multi-node multi-instance data APIs
     {
         .api = "data",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_METRICS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_data,
+        .callback = api_v2_data,
         .allow_subpaths = 0
     },
     {
         .api = "weights",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_METRICS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_weights,
+        .callback = api_v2_weights,
         .allow_subpaths = 0
     },
 
@@ -606,18 +29,18 @@ static struct web_api_command api_commands_v2[] = {
     {
         .api = "contexts",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_METRICS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_contexts,
+        .callback = api_v2_contexts,
         .allow_subpaths = 0
     },
     {
         // full text search
         .api = "q",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_METRICS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_q,
+        .callback = api_v2_q,
         .allow_subpaths = 0
     },
 
@@ -625,25 +48,25 @@ static struct web_api_command api_commands_v2[] = {
     {
         .api = "alerts",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_ALERTS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_alerts,
+        .callback = api_v2_alerts,
         .allow_subpaths = 0
     },
     {
         .api = "alert_transitions",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_ALERTS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_alert_transitions,
+        .callback = api_v2_alert_transitions,
         .allow_subpaths = 0
     },
     {
         .api = "alert_config",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_ALERTS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_alert_config,
+        .callback = api_v2_alert_config,
         .allow_subpaths = 0
     },
 
@@ -651,41 +74,41 @@ static struct web_api_command api_commands_v2[] = {
     {
         .api = "info",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_NOCHECK,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_info,
+        .callback = api_v2_info,
         .allow_subpaths = 0
     },
     {
         .api = "nodes",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_NODES,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_nodes,
+        .callback = api_v2_nodes,
         .allow_subpaths = 0
     },
         {
         .api = "node_instances",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_NODES,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_node_instances,
+        .callback = api_v2_node_instances,
         .allow_subpaths = 0
     },
     {
         .api = "versions",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_NODES,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_versions,
+        .callback = api_v2_versions,
         .allow_subpaths = 0
     },
     {
         .api = "progress",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_NOCHECK,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_progress,
+        .callback = api_v2_progress,
         .allow_subpaths = 0
     },
 
@@ -693,9 +116,9 @@ static struct web_api_command api_commands_v2[] = {
     {
         .api = "functions",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_FUNCTIONS,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_functions,
+        .callback = api_v2_functions,
         .allow_subpaths = 0
     },
 
@@ -705,7 +128,7 @@ static struct web_api_command api_commands_v2[] = {
         .hash = 0,
         .acl = HTTP_ACL_ACLK | ACL_DEV_OPEN_ACCESS,
         .access = HTTP_ACCESS_SIGNED_ID | HTTP_ACCESS_SAME_SPACE,
-        .callback = web_client_api_request_v2_webrtc,
+        .callback = api_v2_webrtc,
         .allow_subpaths = 0
     },
 
@@ -715,7 +138,7 @@ static struct web_api_command api_commands_v2[] = {
         .hash = 0,
         .acl = HTTP_ACL_NOCHECK,
         .access = HTTP_ACCESS_NONE,
-        .callback = web_client_api_request_v2_claim,
+        .callback = api_v2_claim,
         .allow_subpaths = 0
     },
     {
@@ -731,17 +154,18 @@ static struct web_api_command api_commands_v2[] = {
         .hash = 0,
         .acl = HTTP_ACL_ACLK | ACL_DEV_OPEN_ACCESS,
         .access = HTTP_ACCESS_SIGNED_ID | HTTP_ACCESS_SAME_SPACE,
-        .callback = api_v2_bearer_token,
+        .callback = api_v2_bearer_get_token,
         .allow_subpaths = 0
     },
+#endif
 
     // Netdata branding APIs
     {
         .api = "ilove.svg",
         .hash = 0,
-        .acl = HTTP_ACL_DASHBOARD,
+        .acl = HTTP_ACL_NOCHECK,
         .access = HTTP_ACCESS_ANONYMOUS_DATA,
-        .callback = web_client_api_request_v2_ilove,
+        .callback = api_v2_ilove,
         .allow_subpaths = 0
     },