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Diffstat (limited to 'src/endpoints.sml')
-rw-r--r-- | src/endpoints.sml | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/endpoints.sml b/src/endpoints.sml new file mode 100644 index 00000000..5699f319 --- /dev/null +++ b/src/endpoints.sml @@ -0,0 +1,117 @@ +(* Copyright (c) 2019 Artyom Shalkhakov + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - The names of contributors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + *) + +structure Endpoints :> ENDPOINTS = struct + +open Print.PD +open Print + +open Mono + +datatype method = GET | POST + +fun methodToString GET = "GET" + | methodToString POST = "POST" + +type endpoint = {Method : method, Url : string, ContentType : string option, LastModified : Time.time option} +type report = {Endpoints : endpoint list} + +fun p_endpoint {Method = m, Url = u, ContentType = oct, LastModified = olm} = + let + val rfcFmt = "%a, %d %b %Y %H:%M:%S GMT" + in + box [string "{", + string "\"method\": \"", string (methodToString m), string "\", ", + string "\"url\": \"", string u, string "\", ", + string "\"content-type\": ", (case oct of SOME ct => box [string "\"", string ct, string"\""] + | NONE => string "null"), + string "}"] + end + +fun p_report {Endpoints = el} = + box [string "{\"endpoints\":", + space, + string "[", + p_list_sep (box [string ",", newline]) p_endpoint el, + string "]}"] + +val endpoints = ref ([] : endpoint list) +val jsFile = ref (NONE : string option) + +fun setJavaScript x = jsFile := SOME x + +fun reset () = (endpoints := []; jsFile := NONE) + +fun collect file = + let + fun exportKindToMethod (Link _) = GET + | exportKindToMethod (Action _) = POST + | exportKindToMethod (Rpc _) = POST + | exportKindToMethod (Extern _) = POST + + fun decl ((d, _), st as endpoints) = + let + in + case d of + DExport (ek, id, i, tl, rt, f) => + {Method = exportKindToMethod ek, Url = id, LastModified = NONE, ContentType = NONE} :: st + | _ => st + end + + val () = reset () + + val (decls, _) = file + val ep = foldl decl [] decls + + fun binfile ({Uri = u, ContentType = ct, LastModified = lm, Bytes = _ }, st) = + {Method = GET, Url = u, LastModified = SOME lm, ContentType = ct} :: st + + val ep = foldl binfile ep (Settings.listFiles ()) + + fun jsfile ({Filename = f, Content = _}, st) = + {Method = GET, Url = f, LastModified = NONE, ContentType = SOME "text/javascript"} :: st + + val ep = foldl jsfile ep (Settings.listJsFiles ()) + in + endpoints := ep; + file + end + +fun summarize () = + let + val ep = !endpoints + val js = !jsFile + val ep = + case js of + NONE => ep + | SOME js => + {Method = GET, Url = js, LastModified = NONE, ContentType = SOME "text/javascript"} :: ep + in + {Endpoints = ep} + end + +end |