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Merge pull request #401 from vubiostat/issue-397-drop-httr
Issue 397 drop httr
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| #' @keywords internal | ||
|
|
||
| .curlCompact <- function(x) | ||
| { | ||
| x[vapply(x, length, numeric(1)) != 0] | ||
| } | ||
|
|
||
| .curlDefaultUa <- function() | ||
| { | ||
| versions <- c(libcurl = curl::curl_version()$version, `r-curl` = as.character(utils::packageVersion("curl"))) | ||
| paste0(names(versions), "/", versions, collapse = " ") | ||
| } | ||
|
|
||
| .curlConfig <- function(url, token) | ||
| { | ||
| cfg <- getOption('curl_config') | ||
|
|
||
| if(is.null(cfg)) cfg <- list(headers=list(), fields=NULL, options=list()) | ||
| if(is.null(cfg$options)) cfg$options <- list() | ||
|
|
||
| structure(list( | ||
| method = 'POST', | ||
| url = url, | ||
| headers = c(cfg$headers, Accept = "application/json, text/xml, application/xml, */*"), | ||
| fields = cfg$fields, | ||
| options = modifyList(list(timeout_ms = 3e5, | ||
| useragent = .curlDefaultUa(), | ||
| post = TRUE), | ||
| cfg$options), | ||
| auth_token = token, | ||
| output = structure(list(), class = c("write_memory", "write_function")) | ||
| ), class = "request") | ||
| } | ||
|
|
||
| .curlMergeConfig <- function(x, | ||
| y) | ||
| { | ||
| if(!is.null(y)) | ||
| { | ||
| if(!is.null(y$options)) x$options <- modifyList(x$options, y$options) | ||
| if(!is.null(y$headers)) x$headers[names(y$headers)] <- y$headers | ||
| if(!is.null(y$fields)) x$fields[names(y$fields)] <- y$fields | ||
| } | ||
| x | ||
| } | ||
|
|
||
| .curlUploadFile <- function(path, | ||
| type = NULL) | ||
| { | ||
| stopifnot(is.character(path), length(path) == 1, file.exists(path)) | ||
| if (is.null(type)) type <- mime::guess_type(path) | ||
| curl::form_file(path, type) | ||
| } | ||
|
|
||
| as.character.form_file <- function(x, ...) x | ||
|
|
||
| .curlContent <- function(x, | ||
| type = 'text/plain', | ||
| ...) | ||
| { | ||
| stopifnot(inherits(x, "response")) | ||
| raw <- if (inherits(x$content, 'path')) | ||
| { | ||
| readBin(x$content, "raw", file.info(x$content)$size) | ||
| } else | ||
| { | ||
| x$content | ||
| } | ||
| if (length(raw) == 0) return("") | ||
|
|
||
| enc <- if(grepl("charset", x$headers[["content-type"]])) | ||
| { | ||
| toupper(sub('.*charset=([^;]+).*', '\\1', x$headers[["content-type"]])) | ||
| } else | ||
| { | ||
| 'ISO-8859-1' # [Default if unspecified](https://www.w3.org/International/articles/http-charset/index) | ||
| } | ||
| x <- iconv(readBin(raw, character()), from = enc, to = 'UTF-8', '\U25a1') | ||
| if(grepl('\U25a1', x)) warning("Project contains invalid characters. Mapped to '\U25a1'.") | ||
|
|
||
| if(type == 'text/csv') | ||
| { | ||
| utils::read.csv(x, ...) | ||
| } else if(type == 'application/json') | ||
| { | ||
| jsonlite::fromJSON(x, simplifyVector = FALSE, ...) | ||
| } else | ||
| { | ||
| x | ||
| } | ||
| } | ||
|
|
||
| .curlPost <- function(body, | ||
| config) | ||
| { | ||
| h <- curl::new_handle() | ||
| body <- .curlCompact(body) | ||
|
|
||
| # Argument Validation --------------------------------------------- | ||
| coll <- checkmate::makeAssertCollection() | ||
| checkmate::assert_list(x = body, | ||
| names = "named", | ||
| add = coll) | ||
| checkmate::reportAssertions(coll) | ||
|
|
||
| flds <- lapply(body, function(x) | ||
| { | ||
| if(inherits(x, 'list') || inherits(x, 'character')) | ||
| { | ||
| x | ||
| } else | ||
| { | ||
| as.character(x) | ||
| } | ||
| }) | ||
|
|
||
| config$fields <- c(flds, config$fields) | ||
|
|
||
| curl::handle_setopt(h, .list = config$options) | ||
| if (!is.null(config$fields)) curl::handle_setform(h, .list = config$fields) | ||
|
|
||
| curl::handle_setheaders(h, .list = config$headers) | ||
| on.exit(curl::handle_reset(h), add = TRUE) | ||
|
|
||
| resp <- curl::curl_fetch_memory(config$url, h) | ||
| rh <- curl::parse_headers_list(resp$headers) | ||
| structure(list( | ||
| url = resp$url, | ||
| status_code = resp$status_code, | ||
| headers = rh, | ||
| all_headers = resp$headers, | ||
| cookies = curl::handle_cookies(h), | ||
| content = resp$content, | ||
| times = resp$times, | ||
| request = config, | ||
| handle = h | ||
| ), class = "response") | ||
| } |
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