Can create PDF posts

Cargo.lock

@@ -87,8 +87,8 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a60f9ba7c4e6df97f3aacb14bb5c0cd7d98a49dcbaed0d7f292912ad9a6a3ed2"
 dependencies = [
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -274,8 +274,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4f00371942083469785f7e28c540164af1913ee7c96a4534acb9cea92c39f057"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -302,6 +302,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "ansi_term"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23ac7c30002a5accbf7e8987d0632fa6de155b7c3d39d0067317a391e00a2ef6"
+
 [[package]]
 name = "arc-swap"
 version = "0.4.6"
@@ -330,8 +336,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26c4f3195085c36ea8d24d32b2f828d23296a9370a28aa39d111f6f16bef9f3b"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -405,7 +411,7 @@ checksum = "1374191e2dd25f9ae02e3aa95041ed5d747fc77b3c102b49fe2dd9a8117a6244"
 dependencies = [
  "num-bigint",
  "num-integer",
- "num-traits",
+ "num-traits 0.2.11",
  "serde",
 ]
 
@@ -514,7 +520,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "80094f509cf8b5ae86a4966a39b3ff66cd7e2a3e594accec3743ff3fabeab5b2"
 dependencies = [
  "num-integer",
- "num-traits",
+ "num-traits 0.2.11",
  "serde",
  "time",
 ]
@@ -551,6 +557,7 @@ dependencies = [
  "mailchecker",
  "mime_guess",
  "mysql",
+ "pdf",
  "percent-encoding",
  "rand",
  "serde",
@@ -675,8 +682,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2127768764f1556535c01b5326ef94bd60ff08dcfbdc544d53e69ed155610f5d"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -686,8 +693,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "114aa287358087a616096186f3de19525d8083f83d437dc6b583f895316b02e6"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -711,6 +718,70 @@ version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 
+[[package]]
+name = "encoding"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
+dependencies = [
+ "encoding-index-japanese",
+ "encoding-index-korean",
+ "encoding-index-simpchinese",
+ "encoding-index-singlebyte",
+ "encoding-index-tradchinese",
+]
+
+[[package]]
+name = "encoding-index-japanese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04e8b2ff42e9a05335dbf8b5c6f7567e5591d0d916ccef4e0b1710d32a0d0c91"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-korean"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dc33fb8e6bcba213fe2f14275f0963fd16f0a02c878e3095ecfdf5bee529d81"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-simpchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d87a7194909b9118fc707194baa434a4e3b0fb6a5a757c73c3adb07aa25031f7"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-singlebyte"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3351d5acffb224af9ca265f435b859c7c01537c0849754d3db3fdf2bfe2ae84a"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-tradchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd0e20d5688ce3cab59eb3ef3a2083a5c77bf496cb798dc6fcdb75f323890c18"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding_index_tests"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.23"
@@ -728,8 +799,17 @@ checksum = "bc4bfcfacb61d231109d1d55202c1f33263319668b168843e02ad4652725ec9c"
 dependencies = [
  "heck",
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
+]
+
+[[package]]
+name = "error-chain"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
+dependencies = [
+ "backtrace",
 ]
 
 [[package]]
@@ -749,8 +829,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
  "synstructure",
 ]
 
@@ -803,6 +883,16 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
+[[package]]
+name = "fs2"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
+dependencies = [
+ "libc",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -875,8 +965,8 @@ checksum = "d0b5a30a4328ab5473878237c447333c093297bded83a4983d10f4deea240d39"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -953,6 +1043,12 @@ dependencies = [
  "lzw",
 ]
 
+[[package]]
+name = "glob"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
+
 [[package]]
 name = "h2"
 version = "0.2.5"
@@ -1051,7 +1147,7 @@ dependencies = [
  "jpeg-decoder",
  "num-iter",
  "num-rational",
- "num-traits",
+ "num-traits 0.2.11",
  "png",
  "scoped_threadpool",
  "tiff",
@@ -1066,6 +1162,12 @@ dependencies = [
  "autocfg 1.0.0",
 ]
 
+[[package]]
+name = "inflate"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7e0062d2dc2f17d2f13750d95316ae8a2ff909af0fda957084f5defd87c43bb"
+
 [[package]]
 name = "io-enum"
 version = "0.2.2"
@@ -1073,8 +1175,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "285762158c743ac75969bc8e9062ddcb013121d0c8aae32156740e621d2f3194"
 dependencies = [
  "derive_utils",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -1098,6 +1200,27 @@ dependencies = [
  "winreg",
 ]
 
+[[package]]
+name = "isatty"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e31a8281fc93ec9693494da65fbf28c0c2aa60a2eaec25dc58e2f31952e95edc"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "winapi 0.3.8",
+]
+
+[[package]]
+name = "itertools"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3f2be4da1690a039e9ae5fd575f706a63ad5a2120f161b1d653c9da3930dd21"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "0.4.5"
@@ -1269,6 +1392,18 @@ version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
+[[package]]
+name = "memmap"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46f3c7359028b31999287dae4e5047ddfe90a23b7dca2282ce759b491080c99b"
+dependencies = [
+ "fs2",
+ "kernel32-sys",
+ "libc",
+ "winapi 0.2.8",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.5.4"
@@ -1391,7 +1526,7 @@ dependencies = [
  "lazy_static",
  "lexical",
  "num-bigint",
- "num-traits",
+ "num-traits 0.2.11",
  "rand",
  "regex",
  "rust_decimal",
@@ -1469,7 +1604,7 @@ checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
 dependencies = [
  "autocfg 1.0.0",
  "num-integer",
- "num-traits",
+ "num-traits 0.2.11",
 ]
 
 [[package]]
@@ -1479,7 +1614,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
 dependencies = [
  "autocfg 1.0.0",
- "num-traits",
+ "num-traits 0.2.11",
 ]
 
 [[package]]
@@ -1490,7 +1625,7 @@ checksum = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
 dependencies = [
  "autocfg 1.0.0",
  "num-integer",
- "num-traits",
+ "num-traits 0.2.11",
 ]
 
 [[package]]
@@ -1501,7 +1636,16 @@ checksum = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
 dependencies = [
  "autocfg 1.0.0",
  "num-integer",
- "num-traits",
+ "num-traits 0.2.11",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
+dependencies = [
+ "num-traits 0.2.11",
 ]
 
 [[package]]
@@ -1568,6 +1712,12 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "ordermap"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b81cf3b8cb96aa0e73bbedfcdc9708d09fec2854ba8d474be4e6f666d7379e8b"
+
 [[package]]
 name = "parking_lot"
 version = "0.10.2"
@@ -1592,6 +1742,39 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "pdf"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7835739fa247acac9246181a184c60c7b5cf7a51315f6a1ab7a6dd10444a92d3"
+dependencies = [
+ "ansi_term",
+ "byteorder",
+ "chrono",
+ "encoding",
+ "error-chain",
+ "glob",
+ "inflate",
+ "isatty",
+ "itertools",
+ "lzw",
+ "memmap",
+ "num-traits 0.1.43",
+ "ordermap",
+ "pdf_derive",
+ "tuple",
+]
+
+[[package]]
+name = "pdf_derive"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e26454c6beff4d298c564bd3f115e1a92450cc91e0b5abcd1e0da2b03621e1d"
+dependencies = [
+ "quote 0.3.15",
+ "syn 0.11.11",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
@@ -1614,8 +1797,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e58db2081ba5b4c93bd6be09c40fd36cb9193a8336c384f3b40012e531aa7e40"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -1672,7 +1855,7 @@ version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53f5ffe53a6b28e37c9c1ce74893477864d64f74778a93a4beb43c8fa167f639"
 dependencies = [
- "unicode-xid",
+ "unicode-xid 0.2.0",
 ]
 
 [[package]]
@@ -1681,6 +1864,12 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
+[[package]]
+name = "quote"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
+
 [[package]]
 name = "quote"
 version = "1.0.6"
@@ -1807,7 +1996,7 @@ checksum = "ecffe00b665f0947e39e3b00302fce59303e99d25ea519cdd295616834255a0c"
 dependencies = [
  "byteorder",
  "bytes",
- "num-traits",
+ "num-traits 0.2.11",
  "serde",
 ]
 
@@ -1908,8 +2097,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "818fbf6bfa9a42d3bfcaca148547aa00c7b915bec71d1757aa2d44ca68771984"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
 ]
 
 [[package]]
@@ -1993,6 +2182,17 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f3eb36b47e512f8f1c9e3d10c2c1965bc992bd9cdb024fa581e2194501c83d3"
 
+[[package]]
+name = "syn"
+version = "0.11.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
+dependencies = [
+ "quote 0.3.15",
+ "synom",
+ "unicode-xid 0.0.4",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.22"
@@ -2000,8 +2200,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1425de3c33b0941002740a420b1a906a350b88d08b82b2c8a01035a3f9447bac"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "unicode-xid",
+ "unicode-xid 0.2.0",
+]
+
+[[package]]
+name = "synom"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
+dependencies = [
+ "unicode-xid 0.0.4",
 ]
 
 [[package]]
@@ -2011,9 +2220,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.6",
- "syn",
+ "syn 1.0.22",
- "unicode-xid",
+ "unicode-xid 0.2.0",
 ]
 
 [[package]]
@@ -2156,6 +2365,16 @@ dependencies = [
  "trust-dns-proto",
 ]
 
+[[package]]
+name = "tuple"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "014493a81b7f393503eb896ab5b268532baff9359a7f4efe347dca3359f317f2"
+dependencies = [
+ "num-traits 0.1.43",
+ "serde",
+]
+
 [[package]]
 name = "twoway"
 version = "0.2.1"
@@ -2220,6 +2439,12 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
 
+[[package]]
+name = "unicode-xid"
+version = "0.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.0"

Cargo.toml

@@ -26,3 +26,4 @@ image = "0.23.5"
 kamadak-exif = "0.5.1"
 lazy_static = "1.4.0"
 mime_guess = "2.0.3"
+pdf = "0.6.3"

src/constants.rs

@@ -69,5 +69,8 @@ pub const DEFAULT_GROUP_LOGO: &str = "groups_logo/default.png";
 /// The path where image associated with posts should be stored
 pub const PATH_POST_IMAGES: &str = "imgpost";
 
+/// The path were PDF included with posts should be stored
+pub const PATH_POST_PDF: &str = "post_pdf";
+
 /// Maximum requests size (50 Mo)
 pub const MAX_REQUEST_SIZE: usize = 50000000;

src/controllers/posts_controller.rs

@@ -4,7 +4,7 @@
 
 use crate::api_data::post_api::PostAPI;
 use crate::api_data::res_create_post::ResCreatePost;
-use crate::constants::PATH_POST_IMAGES;
+use crate::constants::{PATH_POST_IMAGES, PATH_POST_PDF};
 use crate::controllers::routes::RequestResult;
 use crate::data::error::{ExecError, ResultBoxError};
 use crate::data::group::GroupAccessLevel;
@@ -174,6 +174,16 @@ pub fn create_post(r: &mut HttpRequestHandler) -> RequestResult {
             })
         }
 
+        "pdf" => {
+            if !r.has_file("pdf") {
+                r.bad_request("Missing PDF in 'pdf'!".to_string())?;
+            }
+
+            let file = r.save_post_pdf("pdf", PATH_POST_PDF)?;
+
+            PostKind::POST_KIND_PDF(PostFile::new_from_created_file(&file)?)
+        }
+
         // TODO : add support for next types
 
         _ => {

src/data/http_request_handler.rs

@@ -20,6 +20,7 @@ use crate::data::post::{Post, PostAccessLevel};
 use crate::data::user::UserID;
 use crate::helpers::{account_helper, api_helper, conversations_helper, friends_helper, groups_helper, movies_helper, posts_helper, user_helper, virtual_directory_helper};
 use crate::helpers::virtual_directory_helper::VirtualDirType;
+use crate::utils::pdf_utils::is_valid_pdf;
 use crate::utils::string_utils::{check_url, remove_html_nodes};
 use crate::utils::user_data_utils::{generate_new_user_data_file_name, prepare_file_creation, user_data_path};
 use crate::utils::virtual_directories_utils::check_virtual_directory;
@@ -339,6 +340,28 @@ impl HttpRequestHandler {
         Ok(target_file_path.to_string_lossy().to_string())
     }
 
+    /// Save a pdf included in the request
+    pub fn save_post_pdf(&mut self, name: &str, folder: &str) -> ResultBoxError<String> {
+        let file = self.post_file(name)?;
+
+        if !is_valid_pdf(&file.buff)? {
+            self.bad_request(format!("Invalid PDF specified in {} !", name))?;
+            unreachable!();
+        }
+
+        // Avoid memory warnings
+        let copied_buff = file.buff.clone();
+
+        // Determine pdf file destination
+        let target_user_data_folder = prepare_file_creation(self.user_id_ref()?, folder)?;
+        let target_file_path = generate_new_user_data_file_name(target_user_data_folder.as_path(), "pdf")?;
+        let target_sys_path = user_data_path(target_file_path.as_path());
+
+        std::fs::write(target_sys_path, &copied_buff.as_ref())?;
+
+        Ok(target_file_path.to_string_lossy().to_string())
+    }
+
     /// Get an integer included in the POST request
     pub fn post_i64(&mut self, name: &str) -> ResultBoxError<i64> {
         Ok(self.post_string(name)?.parse::<i64>()?)

src/utils/mod.rs

@@ -7,3 +7,4 @@ pub mod user_data_utils;
 pub mod virtual_directories_utils;
 pub mod date_utils;
 pub mod string_utils;
+pub mod pdf_utils;

src/utils/pdf_utils.rs

@@ -0,0 +1,22 @@
+//! # PDF utilities
+//!
+//! @author Pierre Hubert
+
+use crate::data::error::{ExecError, ResultBoxError};
+
+/// Check out whether a PDF is a valid PDF or not, by trying to open it
+pub fn is_valid_pdf(file: &bytes::Bytes) -> ResultBoxError<bool> {
+    let pdf = pdf::file::File::new(Vec::from(file.as_ref()));
+
+    match pdf.get_num_pages() {
+        Ok(num) if num < 1 =>
+            Err(ExecError::boxed_string(format!("Detected a PDF with {} pages!", num))),
+
+        Ok(_) => Ok(true),
+
+        Err(e) => {
+            println!("Error while parsing PDF: {}", e);
+            Ok(false)
+        }
+    }
+}