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| ##*********************************************************************** | |
| ## this program is free software: you can redistribute it and/or | |
| ## modify it under the terms of the GNU General Public License as | |
| ## published by the Free Software Foundation, either version 3 of the | |
| ## License, or (at your option) any later version. | |
| ## | |
| ## this program is distributed in the hope that it will be useful, but | |
| ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| ## General Public License for more details. | |
| ## | |
| ## You should have received a copy of the GNU General Public License | |
| ## along with the nens libraray. If not, see | |
| ## <http://www.gnu.org/licenses/>. | |
| ## | |
| ## Copyright © 2011, 2012 by Mario Frasca | |
| ## | |
| ## Library : logging | |
| ## | |
| ## Purpose : implement a sentry logging handler | |
| ## | |
| ## Usage : library(logging.handlers) | |
| ## | |
| ## $Id$ | |
| ## | |
| ## initial programmer : Mario Frasca | |
| ## | |
| ## initial date : 20110426 | |
| ## | |
| sentryAction <- function(msg, conf, record, ...) { | |
| if(!all(c(require(RCurl), | |
| require(Ruuid), | |
| require(rjson), | |
| require(digest)))) | |
| stop("sentryAction depends on RCurl, Ruuid, rjson, digest.") | |
| ## you install Ruuid this way (not with install.packages). | |
| ## source("http://bioconductor.org/biocLite.R") | |
| ## biocLite("Ruuid") | |
| if(exists('dsn', envir=conf)) { | |
| ## first time doing something with this handler: parse the dsn | |
| glued <- gsub('(.*)://(.*):(.*)@([^/]+)(.*)/(\\w)', '\\1://\\4\\5::\\2::\\3::\\6', | |
| with(conf, dsn), perl=TRUE) | |
| parts <- strsplit(glued, "::")[[1]] | |
| assign('server', parts[1], envir=conf) | |
| assign('sentry.public.key', parts[2], envir=conf) | |
| assign('sentry.private.key', parts[3], envir=conf) | |
| assign('project', parts[4], envir=conf) | |
| rm('dsn', envir=conf) | |
| } | |
| anythingMissing <- !sapply(c("server", "sentry.private.key", "sentry.public.key", "project"), | |
| exists, envir=conf) | |
| if(length(list(...)) && 'dry' %in% names(list(...))) { | |
| return(all(!anythingMissing)) | |
| } | |
| if(any(anythingMissing)) { | |
| missing <- names(anythingMissing)[anythingMissing] | |
| stop(paste("this handler with sentryAction misses ", paste(missing, collapse=", "), ".\n", sep="")) | |
| } | |
| sentry.server <- with(conf, server) | |
| sentry.private.key <- with(conf, sentry.private.key) | |
| sentry.public.key <- with(conf, sentry.public.key) | |
| project <- with(conf, project) | |
| client.name <- tryCatch(with(conf, client.name), error = function(e) "r.logging") | |
| if(missing(record)) # needed for `level` and `timestamp` fields. | |
| stop("sentryAction needs to receive the logging record.\n") | |
| ## `view.name`: the name of the function where the log record was generated. | |
| functionCallStack <- sys.calls() | |
| view.name <- tryCatch({ | |
| perpretator.call <- functionCallStack[length(functionCallStack) - 4][[1]] | |
| perpretator.name <- as.character(perpretator.call)[[1]] | |
| view.name <- perpretator.name | |
| }, error = function(e) "<interactive>") | |
| params <- list("project" = project, | |
| "event_id" = gsub("-", "", as.character(getuuid())), | |
| "culprit" = view.name, | |
| "timestamp" = record$timestamp, | |
| "message" = msg, | |
| "level" = as.numeric(record$level), | |
| "logger" = record$logger, | |
| "server_name" = client.name) | |
| metadata <- list() | |
| metadata$call_stack <- paste(lapply(functionCallStack, deparse), collapse=" || ") | |
| params$extra <- metadata | |
| repr <- as.character(toJSON(params)) | |
| url <- paste(sentry.server, "api", "store", "", sep="/") | |
| timestamp <- Sys.time() | |
| timestampSeconds <- format(timestamp, "%s") | |
| to.sign <- paste(timestampSeconds, repr, sep=' ') | |
| signature <- hmac(sentry.private.key, to.sign, "sha1") | |
| x.sentry.auth.parts <- c(paste("sentry_version", "2.0", sep="="), | |
| paste("sentry_signature", signature, sep="="), | |
| paste("sentry_timestamp", timestampSeconds, sep="="), | |
| paste("sentry_key", sentry.public.key, sep="="), | |
| paste("sentry_client", "r-logging.handler", sep="=")) | |
| x.sentry.auth <- paste("Sentry", paste(x.sentry.auth.parts, collapse=", ")) | |
| hdr <- c('Content-Type' = 'application/octet-stream', 'X-Sentry-Auth' = x.sentry.auth) | |
| httpPOST(url, httpheader = hdr, postfields = toJSON(params)) | |
| } |